Thai Global FreightImporting from Germany to Thailand: Machinery & Equipment
How Thai factory buyers bring in German machinery, instruments and chemicals: mode choice, out-of-gauge handling, Incoterms, and the document set.
On this page
- 01Choosing a mode: FCL, breakbulk/flat-rack, LCL, or air
- 02Why a long-haul lane structurally differs from an intra-Asia one
- 03Ports, airports, and gateways on the documents
- 04Out-of-gauge and heavy machinery: what changes
- 05Who does what, from the German factory floor to the Thai plant
- 06Incoterms German suppliers commonly quote, and the EXW habit
- 07The document set for a European import
- 08EUR.1 and preferential origin: what a certificate does
- 09Germany-specific practical issues: crating, chemicals, precision
- 10Marine insurance and why pre-shipment condition matters
- 11Commissioning parts, spares, and what to settle first
Quick Answer
Importing machinery, instruments, or chemicals from Germany to Thailand differs from an intra-Asia shipment mainly in scale and structure: more transhipment legs, more parties handling the cargo, and a longer document chain, which is why fixing responsibilities in the contract before booking matters more than on a short hop. Mode follows the cargo, not its value — a complete machine that fits a container ships FCL, out-of-gauge equipment needs a flat-rack, open-top container, or breakbulk booking, components move LCL, and urgent spares move by air, usually through Frankfurt. German suppliers commonly quote EXW as a default, which leaves German export clearance, main carriage, Thai import clearance, and final delivery for the buyer to arrange; FCA shifts export clearance back to the seller and is worth asking for. An EUR.1 certificate, where it applies, has to be requested before the shipment moves. For heavy or oversized equipment, the buyer must confirm final dimensions, weight, and lifting points with the supplier before the booking is made, and should keep pre-shipment condition evidence, since that — not the insurance wording — is what actually decides a damage claim.
Key Takeaways
- A Germany-Thailand lane structurally differs from an intra-Asia one: more transhipment, more parties handling the cargo, and a longer document chain, all of which argue for fixing responsibilities in the contract before booking.
- Shipping mode follows the cargo's dimensions and weight — FCL for complete machines that fit a container, flat-rack/open-top/breakbulk for out-of-gauge equipment, LCL for components, and air for urgent spares or instruments.
- Once a machine no longer fits a standard container, the buyer must confirm dimensions, weight, lifting points, and assembled-vs-knocked-down status with the supplier before booking, not after.
- German suppliers commonly default to EXW, which puts German export clearance, main carriage, Thai import clearance, and delivery all on the buyer; FCA shifts export clearance back to the seller and is worth requesting.
- An EUR.1 certificate, where applicable, must be requested before the shipment departs, because it is checked against the actual export and can't reliably be produced afterward.
- For high-value capital equipment, pre-shipment condition evidence — photos, crate inspection, shock indicators — is what actually decides a damage claim, far more than the marine policy's wording.
Most of what a Thai importer reads about international freight is written around the China lane, since it's the busiest corridor into Thailand and most general guidance defaults to it. A shipment from Germany is a different kind of purchase and, structurally, a different logistics problem. The buyer is usually not a trading company restocking a shelf; it's a factory or engineering firm paying for a CNC machine, a packaging line, a batch of industrial chemicals, a set of measuring instruments, or automotive components that have to arrive complete, undamaged, and ready to integrate into an existing production line. The freight decisions made around that purchase — the shipping mode, the Incoterm, the document set — have direct consequences for whether the equipment installs on schedule and performs the way it was specified to.
This article treats Germany as a stand-in for a genuine non-China origin, the kind of lane where a Thai buyer often has less institutional experience, and where a supplier's ordinary habits — quoting EXW as a matter of course, for instance — can catch a first-time buyer off guard. It covers how to choose a shipping mode for capital equipment, what changes once a machine is too large for a standard container, who the parties actually are on both ends, what a European document set looks like, and what a Thai factory buyer should settle with its German supplier before committing to a first shipment. It assumes a reader already understands the general shape of a China-to-Thailand machinery import and what happens once equipment reaches a Thai site, and focuses instead on what's genuinely different about a European inbound lane.
Key points at a glance
A Germany-to-Thailand shipment usually carries more transhipment legs, more parties, and a longer document chain than an intra-Asia lane, which is exactly why responsibilities need fixing in the contract before booking.
Mode follows the cargo's dimensions and weight, not its value: complete machines that fit a container move FCL, out-of-gauge equipment needs flat-rack, open-top or breakbulk, components move LCL, and urgent spares move by air.
Once a machine exceeds a standard container's envelope, the buyer must confirm dimensions, weight, lifting points, and whether it ships assembled or knocked-down before the booking is made, not after.
German suppliers commonly quote EXW by default, which leaves German export clearance, main carriage, Thai import clearance, and final delivery all for the buyer to arrange and pay for.
An EUR.1 certificate must be requested before the shipment moves, because it is checked against the actual export and a defective or late one generally means losing the preferential treatment it was meant to unlock.
For high-value capital equipment, a damage claim is decided far more by pre-shipment condition evidence than by the policy wording — without it, there's nothing to compare arrival condition against.
Choosing a mode: FCL, breakbulk/flat-rack, LCL, or air
The first decision on any German purchase is which shipping mode actually fits the cargo, and that decision follows the cargo's physical characteristics, not its value or how urgently it's needed.
A complete machine, or a machine that can be broken down into sections that each fit within a standard container's internal dimensions, ships FCL — a full container booked exclusively for that shipment, sealed at the supplier's premises or a nearby packing facility and opened only at destination. This is the default for most CNC machines, packaging equipment, and mid-sized process machinery once it's properly crated.
Once a machine's height, width, weight, or shape exceeds what a standard container can hold — a press frame too tall for the door opening, a skid too wide for the container's internal width, a single component too heavy for standard handling — FCL stops being an option, and the shipment moves to a flat-rack, an open-top container, or breakbulk on a general cargo vessel, each discussed in more detail below.
Components, spare parts, or a shipment too small to justify its own container move LCL, consolidated with other shippers' cargo through a freight forwarder's groupage service. This is common for smaller instrument orders, accessory kits, or a partial delivery arriving ahead of the main machine.
Air freight, usually routed through Frankfurt, is reserved for cargo where the cost of a few days matters less than the cost of the alternative: an urgent replacement part holding up a production line, a sensitive instrument that shouldn't sit in a container for weeks, or commissioning parts a technician needs on a fixed schedule. The decision to ship anything by air from Germany is almost always driven by the cost of downtime at the Thai site, not by the value of the cargo itself.
Choosing a shipping mode by cargo type
A complete machine or line that fits within a standard container's internal dimensions
Ships FCL — a full, sealed container booked exclusively for the shipment
A machine that exceeds a container's height, width, or weight limit, or can't pass through the container doors
Ships on a flat-rack (open sides) or open-top (craned in from above) container, or as breakbulk on a general cargo vessel
Components, spare parts, or a partial shipment that doesn't fill a container
Ships LCL, sharing container space with other shippers' cargo via a consolidator
An urgent replacement part, a sensitive instrument, or anything holding up a production line
Ships by air, usually from Frankfurt, trading a higher per-shipment cost for a shorter, simpler transit
Why a long-haul lane structurally differs from an intra-Asia one
A shipment from Germany rarely moves as a single, direct hop the way some intra-Asia shipments can. Cargo is typically trucked from an inland German factory to a load port or airport, handled by a port or airport terminal operator, carried on a mainline vessel or flight to a transhipment hub, transferred again, and carried onward to Thailand — each transfer a separate physical handoff with its own handling equipment, its own risk of a knock or a delay, and its own party taking temporary custody of the cargo.
More handoffs also mean more parties touching the paperwork. A Bill of Lading or Air Waybill issued in Germany passes through the supplier, a German forwarder, sometimes a bank if payment runs through a letter of credit, an ocean or air carrier, a Thai forwarder, and a Thai customs broker before the shipment is even released to the buyer — considerably more hands than a short intra-Asia document chain typically passes through, and more points where a document detail can drift out of alignment with what's physically shipped.
The practical consequence is that a problem surfacing at any one of these several handoffs is genuinely harder to trace back to a single responsible party than on a short hop with few intermediaries. That's exactly why fixing responsibilities in the contract before the first shipment — which Incoterm applies, who insures which leg, who is named as importer of record in Thailand — matters more on a long-haul lane than it might on a route where fewer things can go wrong along the way. A buyer who waits to sort this out after a shipment is already moving is negotiating from a much weaker position than one who settled it at the purchase order stage.

Ports, airports, and gateways on the documents
A German Bill of Lading or Air Waybill names a load port or gateway airport, and it's worth knowing what those names mean structurally rather than treating them as a formality to skim past. Germany's principal deep-sea container ports are Hamburg and Bremerhaven; the load port shown on the documents is wherever the forwarder has booked space, which depends on carrier routing and terminal capacity rather than which port happens to be geographically closest to the supplier's factory. For air cargo, Frankfurt is Germany's principal air-cargo gateway and the airport most shipments from German suppliers are routed through, regardless of where the factory itself is located inland.
The load port or airport named on the transport document is where legal responsibility for the main international leg begins under whichever Incoterm applies — it's the point the seller's and carrier's obligations reference, and it's worth confirming rather than assuming, since a supplier's factory location doesn't automatically tell a buyer which gateway the shipment will actually move through.
On the Thailand side, sea cargo typically arrives through Laem Chabang, Thailand's principal deep-sea container port, with Bangkok Port handling certain cargo categories; air cargo typically arrives through Suvarnabhumi. Which Thai gateway a shipment uses affects which customs office handles clearance and which inland trucking arrangement the Thai forwarder needs to plan for, so it's a detail worth confirming on the booking rather than assumed from habit — particularly for a buyer's first shipment on this lane, where the routing may not match what's familiar from other origins.
Out-of-gauge and heavy machinery: what changes
Once a machine no longer fits within a standard container's internal envelope, the entire booking and handling process changes, and the buyer has a genuine role in getting it right.
A flat-rack container is essentially a flatbed with reinforced end walls and no sides, letting overwidth or overheight cargo that's still liftable as a single piece be lashed and secured on top, exposed to the weather for the voyage. An open-top container keeps standard side walls but replaces the roof with a removable tarpaulin, allowing cargo to be craned in from above — suited to equipment too tall for a container's door opening even if it fits the box's width and length. Breakbulk means the cargo skips containers altogether, secured directly to a vessel's deck or hold on a general cargo or project-cargo vessel, with cranes or heavy-lift equipment needed at both ends outside a standard terminal's normal workflow.
Each of these changes what booking requires. Precise dimensions, weight, and center of gravity have to be declared before the booking is confirmed, not adjusted afterward, since space, lashing equipment, and lifting gear are reserved for that cargo's stated profile — a late dimension change can mean re-booking from scratch. A lashing and securing plan, sometimes reviewed by a marine surveyor, is generally required before the carrier accepts the booking.
The buyer's own homework matters as much as the carrier's: before a booking is requested, the supplier needs to confirm overall dimensions and gross weight including any base or skid, the designated lifting points and rated capacity (the wrong point can rack a frame or damage components), whether it ships assembled or knocked-down, and the center of gravity if the load isn't symmetric. That information then has to travel with every party who will lift it — the German port, the ocean terminal, the Thai port, and the site rigger — since each needs the same figures to work safely.
Who does what, from the German factory floor to the Thai plant
A Germany-to-Thailand machinery shipment moves through more distinct parties than a typical intra-Asia shipment, and knowing which one is responsible for which piece matters the moment something needs a decision.
The German supplier prepares the equipment for export — crating, marking, and, depending on the agreed Incoterm, arranging domestic trucking to the load port or airport. The German forwarder books space with the carrier, coordinates the export declaration through a customs agent, and assembles the export-side document set. The ocean or air carrier physically moves the cargo and issues the Bill of Lading or Air Waybill; for out-of-gauge cargo, the carrier's booking desk also confirms lashing and lifting requirements before space is reserved.
On arrival, the Thai forwarder coordinates the inbound leg and destination handling, working with the Thai customs broker, who files the import declaration, determines the duty and tax basis from the declared value and HS classification, and manages any inspection selected. The importer of record is the Thai legal entity named on the declaration — usually the buyer, though larger buyers sometimes route imports through a designated in-country entity — carrying legal and financial responsibility for its accuracy regardless of who prepared it.
Finally, the Thai site team receives the equipment: checking it against the packing list and its condition on arrival (the step that matters most for any later damage claim), arranging final-mile transport and any crane work to position the machine, and coordinating installation and commissioning, often alongside a visiting technician. Because these parties rarely know each other directly, a buyer who can name each one and confirm accountability is in a far better position when a shipment needs a quick decision.

Incoterms German suppliers commonly quote, and the EXW habit
German industrial suppliers commonly default to EXW (Ex Works) as their standard quoted term, more often than suppliers in some other origins. Structurally, EXW means the seller's obligation ends the moment the goods are made available at its own premises — the factory door. Everything after that — loading the truck, domestic transport to the port or airport, German export clearance, main carriage, Thai import clearance, and final delivery — is the buyer's to arrange and pay for. A first-time buyer who reads an EXW quote as close to the landed cost is comparing the wrong number to the wrong thing; almost the entire logistics chain still sits ahead of that price.
FCA (Free Carrier) is worth asking a German supplier for as an alternative. Under FCA, the seller hands the goods to a carrier or forwarder named by the buyer, either at the seller's own premises or another named point, and — critically — the seller handles German export clearance itself, shifting that piece to the party better positioned to manage it locally. For a buyer without an established German-side agent, that difference alone can remove a meaningful source of first-shipment risk.
CPT and CIP (Carriage, and Carriage and Insurance, Paid To) have the seller arrange and pay for main carriage to a named place, though risk to the goods still passes to the buyer earlier — at handover to the first carrier. DAP (Delivered at Place) goes furthest toward the buyer's convenience: the seller bears cost and risk all the way to a named destination in Thailand, leaving the buyer responsible mainly for Thai import clearance and unloading. Whichever term is quoted, the question is always the same: which of these steps is the seller actually still handling once the quote is accepted, and which are being handed over silently along with it.
The document set for a European import
A German shipment's document set covers the same basic categories as any import — commercial invoice, packing list, and Bill of Lading or Air Waybill — but the packing list carries more weight than usual for capital equipment, since it needs to state weight and dimensions per crate or skid clearly enough for both the carrier's handling equipment and the Thai broker's declaration to rely on it.
Beyond those basics, a European shipment typically adds: a certificate of origin (a general, non-preferential statement of where the goods were manufactured); an EUR.1 movement certificate where preferential origin applies, discussed in more detail below; a packaging declaration confirming ISPM-15 compliance for any wood crating or dunnage; a Safety Data Sheet and dangerous-goods declaration for any chemical content; an insurance certificate matching the sum insured to the shipment; and, for some categories of equipment, manufacturer's conformity documentation the Thai site may need for its own records or safety compliance, separate from the customs process itself.
Assembling this set typically involves more separate parties signing off on pieces of it than a shorter intra-Asia shipment does — the supplier's own export team, the German forwarder, a customs agent handling the export declaration, an insurer, and sometimes a bank if payment runs through a letter of credit, each responsible for one document or one confirmation. Getting all of it assembled, consistent, and matching the actual cargo before the vessel's or flight's booking cut-off takes coordination that benefits from starting early, well before the shipment date, rather than being chased down in the final days before departure.

EUR.1 and preferential origin: what a certificate does
An EUR.1 movement certificate is a document that certifies goods as originating in the EU, or as otherwise qualifying under applicable preferential-origin rules, for the purpose of claiming preferential treatment on import where a trade arrangement allows for it. Structurally, it's either stamped by a customs authority based on evidence the exporter submits, or issued by the exporter directly under an authorized-exporter scheme, and it travels with the shipment as one of the documents the Thai broker presents on clearance.
The reason it has to be requested before the shipment moves, and not afterward, is that the certificate is validated against the actual export it accompanies — the goods, the exporter, and the shipment details on the certificate need to match what's physically declared and shipped. Once cargo has already left, retroactively producing a certificate that reconciles cleanly with an export that's already happened is neither simple nor certain to succeed, and some preferential arrangements limit how far back a certificate can be issued after the fact.
What a defective certificate costs isn't a duty rate or a fee this article can responsibly state — those figures depend on the goods' classification and change with policy, and belong in a direct conversation with the Thai broker for the specific shipment. What is safe to say structurally is this: a missing, incorrect, or late EUR.1 certificate generally means importing without the preferential benefit the certificate exists to unlock, since the certificate is the document that actually establishes eligibility for it. For a Thai buyer, the practical takeaway is to ask the German supplier, early in the order process, whether the goods qualify and whether the supplier's export team will prepare the certificate as a matter of course — not as an afterthought requested once the cargo is already on the water.
Germany-specific practical issues: crating, chemicals, precision
A few practical issues come up disproportionately often on shipments from Germany, given the kind of cargo typically involved.
Wood packaging — crates, pallets, and dunnage — used in international shipping has to comply with ISPM-15, meaning the wood has been heat-treated or fumigated and marked with the IPPC stamp. Equipment arriving in wood crating without that mark can be held at the Thai border for treatment or crate replacement, which is disruptive and entirely avoidable. This is squarely the supplier's packing responsibility, but a Thai buyer should confirm it's been done before the crate leaves Germany rather than discovering the problem once the shipment is already at a Thai port.
Chemical content — lubricants, coolants, cleaning agents, or the chemical products themselves for buyers in chemical-handling industries — needs a Safety Data Sheet and, where applicable, a dangerous-goods classification. Misclassified or undeclared dangerous-goods cargo can be refused outright by a carrier or held at either end of the journey, and the SDS itself needs to travel with the shipment for the Thai site team's own handling and storage once it arrives, not just for customs purposes.
Precision equipment — measuring instruments, sensitive machinery, calibration-critical components — is vulnerable to shock and humidity in ways a Bill of Lading never records. Shock indicators or tilt-watch labels can be fitted to a crate and checked at every handover point along the route, giving a paper trail of how the cargo was actually treated rather than just how it was supposed to be treated. Packaging design for this category — foam, vibration isolation, desiccant, vapor barriers — should be specified by the supplier's own packing engineer rather than left to a generic crating shop, particularly for equipment moving through multiple transhipment legs where handling exposure adds up.
Marine insurance and why pre-shipment condition matters
High-value capital equipment is exactly the cargo category marine cargo insurance exists for: it's expensive, often one-of-a-kind or long-lead-time to replace, and it passes through several handling points on a long-haul lane where damage can occur without any single party being obviously at fault.
Mechanically, cargo insurance is arranged against an insurable interest in the shipment, with the sum insured typically set at the invoice value plus a margin to cover incidental costs; the policy then responds to physical loss or damage occurring during the insured transit. That much is standard across most cargo insurance.
What's specific to this kind of shipment is how a claim actually gets decided in practice. When damage is discovered on arrival at the Thai site, the insurer needs to compare the equipment's condition at that point against its condition before it shipped — and that comparison is only as good as the evidence available for the earlier state. Photographs of the machine taken before crating, documentation of the crate's condition at the point of loading, and any shock-indicator or tilt-watch readings collected along the route together form the record a claim actually rests on. A buyer with no such record is trying to argue that damage occurred in transit with nothing to compare the arrival condition against, which puts the claim on far weaker footing regardless of how the policy itself is worded.
This is worth settling with the German supplier before the first shipment: who takes the pre-shipment photographs, whether shock indicators will be fitted, and who retains that documentation until it's needed. It's a small piece of coordination relative to the value of the equipment it protects, and it's far easier to arrange before the crate is sealed than to reconstruct after a claim is already being disputed.

Commissioning parts, spares, and what to settle first
Getting a machine to the Thai site is only part of the job; getting it running is the point of the purchase, and that depends on a few things a buyer should settle before the first shipment moves.
Commissioning parts — start-up lubricants, calibration tools, initial-fill fluids, and small consumables a supplier's technician needs on-site — are sometimes shipped with the main equipment and sometimes hand-carried by the visiting technician; it's worth confirming which applies rather than assuming. When they ship separately, they need to clear Thai customs on the same or an earlier timeline as the main machine, not weeks behind it; a machine sitting fully installed but uncommissioned because a small parts box is still in clearance is a common and entirely avoidable failure, one a buyer can prevent simply by asking the question early.
Post-sale spares follow one of two common models: some suppliers include an initial spares package with the main shipment, sized to cover early wear items; others expect spares to be ordered later as separate, smaller shipments once the machine is in service. Neither approach is inherently better, but a buyer who doesn't know which model applies can be caught without a needed part on hand, or end up shipping single small spares by air repeatedly at a cost a bundled initial order would have avoided.
Pulled together, the things worth settling before the first shipment are: which Incoterm applies and who arranges each leg; final dimensions, weight, and lifting points confirmed by engineering rather than estimated; ISPM-15 and SDS/dangerous-goods documentation where relevant; whether an EUR.1 certificate applies and when it will be requested; the insured sum and what pre-shipment evidence will be provided; and how commissioning parts and spares will travel. None of these is complicated alone, but asking them all before the order is signed separates a shipment that installs on schedule from one that stalls on an unconfirmed detail.
What to settle with the supplier before the first shipment
Which Incoterm applies, and exactly which party arranges and pays for each leg from factory to Thai site
Final dimensions, gross weight, and lifting points, confirmed by the supplier's engineering team, not estimated
ISPM-15 compliance on any wood packaging, and SDS plus dangerous-goods classification for any chemical content
Whether an EUR.1 certificate applies, and confirmation it will be requested before the shipment departs
The insured sum and what pre-shipment condition documentation (photos, crate inspection, shock indicators) the supplier will provide
Common Mistakes
- Booking a container before confirming a machine's final dimensions and weight with the supplier's engineering team, then discovering it doesn't fit or needs a different mode entirely.
- Reading an EXW quote as close to the landed cost, and being caught off guard by domestic German trucking, export clearance, and main carriage all still ahead of it.
- Waiting until the shipment is already moving to ask whether an EUR.1 certificate applies, instead of confirming it with the supplier at the order stage while it can still be arranged.
- Accepting equipment in wood crating without checking for the ISPM-15/IPPC mark, and only learning it's missing when the shipment is held at the Thai border.
- Having no pre-shipment photographs or condition documentation, then finding a damage claim has nothing concrete to compare the arrival condition against.
What You Need to Prepare
- Final dimensions, gross weight, lifting points, and assembled-vs-knocked-down status, confirmed by the supplier's engineering team before any booking is made
- Clarity on which Incoterm applies and exactly which party arranges and pays for each leg from the factory to the Thai site
- A confirmed ISPM-15 packaging declaration for wood crating, and an SDS with dangerous-goods classification for any chemical content
- Confirmation of whether an EUR.1 certificate applies to the shipment, requested from the supplier before the goods depart
- Pre-shipment condition evidence — photographs, crate inspection notes, and shock-indicator readings — kept on file until the equipment is received and inspected in Thailand
Frequently Asked Questions
Why does a shipment from Germany involve more parties than one from China?
A long-haul lane typically has more physical transhipment legs and more separate parties taking custody of the cargo along the way — a German trucker, a load-port terminal, a mainline carrier, often a transhipment hub, and then the Thai-side handoffs — which is also why more hands touch the paperwork before the shipment is released to the buyer.
How do I know if a machine needs a flat-rack, an open-top, or breakbulk?
It depends on which dimension is the problem. If the machine is overwidth or overheight but can still be lifted as a single piece, a flat-rack usually works. If it's within a standard container's width and length but too tall to pass through the door opening, an open-top allows top-loading instead. If it can't be handled by container equipment at all, it moves as breakbulk on a general cargo or project vessel — this is a decision the carrier and forwarder confirm together once exact dimensions and weight are provided.
Is EXW always a bad choice for buying German equipment?
Not inherently. For a buyer with an established forwarder and a German-side agent network already in place, EXW can work perfectly well and often comes with a lower quoted price. The issue is mainly for first-time buyers who read the EXW price as close to the landed cost and haven't budgeted for arranging German export clearance, main carriage, and everything after it themselves.
What exactly does an EUR.1 certificate do, and when should I ask for it?
It certifies that goods qualify as originating in the EU (or under other applicable preferential-origin rules), which is the basis for claiming preferential treatment on import where a trade arrangement allows it. It has to be requested before the shipment departs, since it's checked against the actual export and generally can't be reliably produced afterward — ask the German supplier at the order stage, not once the goods are already on the water.
Who should confirm a machine's lifting points before shipment?
The supplier's own engineering team, since they designed the machine and know its rated lifting capacity and structural weak points. That information then has to be passed along to every party who will physically lift it — the German port, the ocean carrier, the Thai port, and the site rigger — because lifting at the wrong point can rack a frame or damage components inside it.
What actually decides a marine insurance claim for damaged machinery?
Mainly the comparison between the equipment's condition on arrival and its documented condition before it shipped. Photographs taken before crating, crate condition at loading, and any shock-indicator readings collected along the route form the evidence a claim rests on — without that record, there's nothing concrete to compare arrival damage against, regardless of the policy's wording.
Should commissioning parts ship with the main machine or separately?
Either can work, but it needs to be confirmed rather than assumed. If commissioning parts ship separately, they need to clear Thai customs on the same or an earlier timeline as the main machine — a common, avoidable failure is a machine sitting installed but uncommissioned because a small parts box is still in clearance.