How to verify a Chinese building-materials factory before you pay a deposit

Every imported order has one moment where you have the least leverage you will ever have: the deposit has left your account and the goods do not exist yet. Everything you do before that moment is worth more than everything you do after it.

Here is what to check, in the order that matters.

1. Check that the company you are paying is the company making the goods

A large share of “factories” quoting on Alibaba and at trade fairs are trading companies. That is not automatically a problem — a good trading company can manage a supply chain better than a small plant can. It becomes a problem when you do not know which one you are dealing with, because it changes who is accountable when something goes wrong, and it changes your price.

Three quick tests:

  • Ask for the business licence (营业执照) and read the business scope. A manufacturer’s scope will include production (生产); a trading company’s will say wholesale or import/export (批发、进出口).
  • Compare the licence name to the bank account name. If the invoice, the licence and the beneficiary account are three different entities, ask why before you pay. There is sometimes a legitimate answer. There is sometimes not.
  • Ask for the factory address and check it against a map. An industrial park address in Foshan or Linyi behaves differently to an office tower in Shenzhen.

2. Ask for the things a real factory has lying around

You are not asking for a presentation. You are asking for artefacts of ordinary operation, which are hard to fake at short notice and boring enough that nobody prepares them for a sales call:

  • A recent packing list and commercial invoice for an export order to Australia or New Zealand (with the buyer redacted)
  • The last third-party test report for the product you are buying, with the report number so you can verify it with the lab
  • Photos of the production line for your product, not the company profile deck
  • Their standard QC checklist for that product line

What you are looking for is not perfection. It is whether the paperwork exists at all, and whether it is internally consistent.

3. Verify certificates at the source, not in the PDF

A PDF certificate proves nothing. Certificates are verifiable, and the verification is usually free:

  • WaterMark (plumbing and drainage products): search the WaterMark Product Database maintained by the Australian Building Codes Board by licence number, brand or model. If the product is in scope and not in the database, the certificate is not doing what the supplier says it is doing.
  • CodeMark: certificates of conformity are listed on a register maintained by JAS-ANZ, linked from the ABCB’s CodeMark site.
  • Test reports: reputable laboratories will confirm whether a report number is genuine. Ask.

Do this before the deposit. Doing it when the container is on the water is an expensive way to find out.

4. Ask about the orders that went wrong

The most useful question in a factory meeting is not “who are your customers?” It is: “Tell me about an order that went wrong in the last year and what you did about it.”

A factory that has been exporting seriously has an answer. A factory that says nothing has ever gone wrong is either very new or not being straight with you. What you are listening for is whether there is a process — who found the problem, how it was escalated, who paid.

5. Understand what your deposit is buying

A 30% deposit is not a payment for 30% of the goods. It usually funds raw material purchase and books production capacity. That means it is spent early and it is not sitting in an account waiting to come back to you.

So the question to answer before you send it is not “will they refund me?” It is: what is my evidence position if this order fails? Signed drawings, an approved sample, a written specification, and a payment schedule tied to inspection milestones are worth more than a refund clause you would have to enforce across a border.

6. Put an inspection between production and payment

The single most effective structural change most importers can make is to stop paying the balance against a bill of lading and start paying it against an inspection result. Pre-shipment inspection is not expensive relative to a container of the wrong product, and it moves the discovery of a problem from Port Botany back to the factory floor, where it costs a phone call.

Note what inspection does and does not do. It is a sample-based check at a point in time. It gives you information to make a decision with. It is not a warranty on the goods, and it does not transfer responsibility for the goods to the inspector.

A short pre-deposit checklist

  • Business licence obtained, scope read, name matched to the bank account
  • Factory address verified against a map
  • Certificates verified in the issuing database, not accepted as PDFs
  • Test report numbers confirmed with the laboratory
  • Approved sample or signed drawing on file
  • Specification written down in both languages
  • Payment schedule tied to an inspection milestone, not just to shipping documents
  • You have asked what happened the last time something went wrong

None of this is exotic. It is just work that is easy to skip when a factory has quoted you a good price and everyone is in a hurry.


Linkwox works with Australian builders, developers, importers and wholesalers buying building materials from China. We assess the factory, settle the order with the factory directly, and can arrange inspection before shipment. Factory assessment and inspection are advisory services provided for information only; they are not a warranty of the goods, a guarantee of factory performance, or a condition of your obligations to Linkwox. Purchasing decisions remain yours.