Sourcing Guide 2026年8月4日阅读 173

Payment Terms When Sourcing Mining Equipment from China: T/T, LC, and Trade Risk Guide

TL;DR: Most China mining equipment deals use T/T with 30% deposit + 70% before shipping. For orders above $50,000, buyers should push for inspection-linked milestones — so the balance payment is contingent on a documented pre-shipment inspection pass, not just a factory promise that goods are ready. LC adds bank fees (typically 1–3% of order value) but gives documentary control on large orders. Pick your structure before negotiating price.

Why Payment Terms Matter More Than Price in China Mining Procurement

When buyers evaluate Chinese mining equipment suppliers, they spend most of their time on price. The price negotiation is visible, concrete, and satisfying when you close a good number. Payment structure gets three sentences in the purchase order and then gets forgotten.

That’s the wrong allocation of attention.

The single biggest risk in China mining equipment sourcing isn’t overpaying by 5% per unit — it’s losing 30–50% of your order value because you sent a deposit to a supplier with no enforceable milestone structure, production stalled, and your leverage disappeared. Or worse: the equipment shipped, it’s on the water, and you’re discovering defects that would have been caught by a pre-shipment inspection you didn’t arrange.

Price determines your cost. Payment terms determine your risk exposure. They’re not the same thing.

The scenarios that create real losses look like this:

The disappeared deposit: 50% T/T advance sent to a supplier who quoted low, took the order, and then discovered they couldn’t produce the specification. Refund negotiations drag for 6 months. You get 60% back.
The unchecked shipment: 30/70 T/T where the 70% was paid on “confirmation of shipment.” Container arrives with 12% of idlers damaged by inadequate packing. Claim is contested — supplier says the damage happened in transit.
The vague Incoterms trap: Contract says “70% on delivery.” Delivery to where? EXW means delivery is at the factory gate. FOB means when it clears the ship’s rail. The definitions matter when there’s a dispute.

Payment terms are the contract architecture that determines what you can prove, when you can act, and what pressure you retain after the deposit clears.

The Most Common Payment Structures

Payment Type	Structure	Buyer Risk	Seller Risk	Best For
100% T/T advance	Full upfront before production	Very High	Low	Not recommended for any order
30/70 T/T	30% deposit, 70% before shipping	Medium	Low	Standard orders under $30,000
30/40/30 milestone	30% deposit, 40% at inspection pass, 30% on BL copy	Low–Medium	Medium	Orders $30,000–$100,000
Irrevocable LC	Full letter of credit via bank	Low	Medium	Orders over $100,000 or new supplier
Escrow / third-party	Via verified escrow platform	Low	Low	Test orders under $15,000 with new suppliers

The “best for” column is a guide, not a rule. What matters most is the combination of order size, supplier relationship age, and whether you can afford to inspect in person or need documentation to substitute.

T/T (Telegraphic Transfer) — The Default Method and How to Use It Well

T/T bank wire is the dominant payment method in China-to-overseas B2B trade because it’s cheap and fast. No bank fees beyond the wire itself (typically $15–35 per transfer), no documentary bureaucracy. For established supplier relationships, it’s low friction.

The problem is that basic 30/70 T/T leaves the buyer exposed at both milestones.

The 30% deposit: This is non-negotiable in Chinese manufacturing. Suppliers need working capital to source materials. The risk here is mostly borne by the buyer — the deposit is at risk if the supplier defaults or misperforms. For new suppliers, 30% is the standard opening position; some buyers try to negotiate 20%, but that’s unusual and signals distrust early. Instead of fighting on the percentage, focus energy on what the 70% is tied to.

The 70% balance — where structure matters: Standard phrasing says “before shipment” or “before sailing.” That means the moment the factory tells you the goods are loaded. You have no independent verification of what’s actually in the container.

The upgrade: tie the 70% payment explicitly to passing a pre-shipment inspection (PSI), with a minimum notice period for scheduling.

A good payment clause reads: “The balance of 70% shall be paid within 5 banking days of buyer receiving the pre-shipment inspection report confirming conformity, and prior to release of goods from port.”

This one sentence changes your position fundamentally. The supplier now has to pass inspection before getting paid. The inspection either happens and provides documentation, or it reveals problems before your money is gone.

The 30/40/30 milestone structure takes this further, appropriate for orders in the $30,000–$100,000 range:

30% T/T on contract signing and production confirmation
40% T/T upon receipt of the pre-shipment inspection pass report (inspection arranged by buyer or third party)
30% T/T upon receipt of signed Bill of Lading copy + packing list + certificate of origin

The 40/30 split ensures you never pay more than 30% before independent verification. The final 30% on BL copy means you’ve confirmed the goods actually left the factory and are documented.

Red flags in T/T negotiation:
– Supplier demands more than 50% deposit for a first order
– Refuses to allow any inspection clause in the balance payment condition
– Wants the balance paid before you receive any shipping documents
– “Trust us, we’ve been doing this 20 years” as a substitute for written milestone structure

When to Use LC (Letter of Credit)

A Letter of Credit is a bank-issued payment instrument that guarantees the seller payment when they present a specified set of documents. The bank verifies documents, not goods — but documentary requirements can be crafted to closely track actual delivery milestones.

LC adds cost and complexity. Why use it?

When LC is justified:
– First order with a new, unvetted supplier — especially orders above $100,000
– Equipment category with high production complexity or long lead times where you can’t afford to lose the capital
– Buyer’s company policy requires LC above a certain order value
– Government or institutional purchaser where documentary compliance is mandatory

LC cost reality: Issuing bank fees typically run 0.5–1.5% of face value. Advising bank fees on the Chinese side add 0.25–0.5%. Amendments (if documents come back with discrepancies) cost $50–150 each and cause delays. Total LC cost on a $100,000 order: $750–$2,000. That’s meaningful but not prohibitive if the order risk justifies it.

Key documentary requirements for mining equipment LCs:
– Commercial invoice (matching LC amount exactly)
– Full set of original Bills of Lading
– Packing list (detailed — weights, dimensions, piece count)
– Certificate of Origin issued by CCPIT or China Customs
– Pre-shipment inspection report from an approved inspection company
– Test certificates for relevant components

The most common LC mistake: writing vague documentary requirements. “Quality certificate” is not enough. Specify: quality certificate issued by the manufacturer on company letterhead, signed and stamped, confirming conformity to GB/T [specification] for . Vague documents lead to bank rejections, amendments, and delays.

Irrevocable LC: Always use irrevocable. A revocable LC can be modified or cancelled without the seller’s consent — which means it offers no real guarantee. Chinese suppliers will not accept revocable LCs, and rightly so.

Red Flags to Watch For

Before signing any purchase contract, these are the warning signs that payment structure is inadequate or that the supplier is not trustworthy:

Demanding 100% advance: No serious established Chinese manufacturer requires 100% T/T before production for first orders. This is a financing demand that removes all buyer leverage. If a supplier insists on 100% upfront, either they have cash flow problems or they’re not confident they can deliver. Either way, the risk profile is unacceptable.

Refusing any inspection right: A quality-conscious factory welcomes inspection — it validates their work and prevents disputes. Refusal to allow pre-shipment inspection is a signal that the supplier knows something about the quality that they’d prefer you not see before you’ve paid.

No written milestone in the contract: “We’ll discuss when the goods are ready” is not a milestone. Payment conditions need to be in the signed contract before production starts. Verbal agreements about payment timing are unenforceable in Chinese commercial law without documentary evidence.

Vague Incoterms: EXW, FOB, CIF, DAP — these have precise legal definitions under the ICC Incoterms 2020 rules. A contract that says “we will ship to your country” without specifying Incoterms leaves cost, risk transfer point, and insurance responsibility undefined. Specify: FOB [Port Name], China (Incoterms 2020), or CIF [Destination Port] (Incoterms 2020).

Wire transfer to a personal account: Payment should go to the company’s registered corporate bank account. If the supplier asks for payment to an individual’s personal account, that’s a significant red flag — it either indicates the company has banking issues or the recipient is not who they claim.

How TQ Industrial Structures Orders

At TQ Industrial, our standard payment structure for overseas mining equipment orders is 30% T/T deposit upon contract confirmation, with the 70% balance tied to pre-shipment inspection.

For the balance payment milestone, we coordinate pre-shipment inspection with the buyer — either with the buyer’s own inspector traveling to our facility, or through a mutually agreed third-party inspection company. The inspection generates a documented report covering quantity, dimensions, weight, packing standard, and component verification (bearing brands, steel certificates, test reports as applicable). The balance payment is released after the buyer receives and approves this report.

For larger consolidated orders — buyers purchasing both conveyor idlers and explosion-proof lighting in one shipment — we can arrange a combined documentation package: one inspection report covering both product categories, one certificate of origin, one packing list. This simplifies customs clearance at destination without requiring separate documentation sets.

We handle inquiries in English. If you have specific payment structure requirements — milestone variations, LC capability, specific document requirements for your customs authority — include these in your first inquiry and we’ll address them in the initial commercial proposal.

Contact: Email: team@tq-industrial.com | Response within 2 business days.

Frequently Asked Questions

Q: What’s the safest payment structure for a first order from a Chinese mining equipment supplier?

A: For first orders under $30,000, milestone T/T (30% deposit + 40% on PSI pass + 30% on BL copy) is the most practical structure. For first orders above $50,000, a confirmed irrevocable LC with documentary requirements that include a third-party inspection report provides stronger protection. The absolute minimum for any first order: the balance payment must be tied to something independently verifiable — a inspection report, shipping documents — not just the supplier’s word that goods are ready.

Q: Can I use Alibaba Trade Assurance for mining equipment orders?

A: Alibaba Trade Assurance is available for suppliers registered on Alibaba.com and provides dispute resolution through Alibaba’s platform, with some coverage for quality issues. It’s a reasonable tool for smaller test orders. For large mining equipment orders (above $30,000), Trade Assurance disputes can be slow and the coverage limits may not match the order value. It’s better used as a supplemental protection layer alongside — not instead of — a well-structured payment milestone in the purchase contract.

Q: How do I tie payment to inspection milestones in a contract?

A: Write the inspection condition into the payment clause explicitly. A workable formulation: “The second payment of [X%] shall be made within [Y] banking days of Buyer’s receipt of the pre-shipment inspection report, issued by [inspection company name or ‘a third-party inspector approved by both parties’], confirming that goods conform to the agreed specification. Seller shall notify Buyer at least [7] days before goods are ready for inspection.” Have a lawyer or trade finance specialist review the final contract if the order is above $50,000.

Q: What documents should accompany the final payment release?

A: For a standard mining equipment order, the documentation set that should accompany the balance payment release includes: signed Bill of Lading (full set, original or electronic original), commercial invoice, detailed packing list (with net/gross weights and dimensions per item), certificate of origin (issued by CCPIT or China Customs), pre-shipment inspection report, and test certificates or mill certificates for key components. For equipment destined for countries with specific customs requirements, you may also need a fumigation certificate for wooden packing or a specific certificate format.

Q: Is LC worth the cost for mining equipment orders?

A: LC is worth the cost when two conditions are true: the order value is high enough that the loss from supplier failure would be material to your business, and you’re working with a supplier you haven’t verified through previous successful orders. The 1–3% LC cost on a $150,000 order is $1,500–$4,500. That’s reasonable protection for a first engagement with a new supplier at that value. For repeat orders with a proven supplier where you’ve successfully completed 2–3 previous T/T orders, the relationship history provides informal insurance that often makes LC unnecessary — and both parties prefer to avoid the administrative burden.