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“Our office is in the city — it’s more convenient.”

Every buyer sourcing from China hears some version of that sentence, and there is nothing wrong with it. Commercial teams sit near clients, banks and the airport. Plenty of serious manufacturers are organised exactly that way. It is not a lie, and on its own it is not a warning.

It is, however, the sentence that makes your factory visit hard to read.

You arrive at the plant and the person receiving you came out from that city office — or says he did. Clean shirt, card offered with both hands, knows the product properly, answers everything you ask about capacity and lead time. He walks you along the line. Three hours later you are back in the car, and you still cannot say whether he works for the company whose name is on the quotation, works for the plant, or works for neither.

Asking will not settle it. “Do you work here?” has exactly one answer, and everybody gives it. Cards are printed in an afternoon. The tour proves nothing either — a middleman who has walked buyers through that plant all year knows the route better than half the staff do.

So we stopped asking him questions about himself and started asking him for things.

Why It Matters Who Is Actually Standing Next to You

If the person negotiating with you does not work at the plant, nothing you agree on that visit goes directly to the people who have to do it. It gets relayed.

There is a second effect buyers underrate: whoever walks you round decides what you see. Someone who does not work in that building will steer you past whatever he was asked to steer you past, smoothly, because he is only doing his job.

None of that makes him dishonest. It makes him a layer — and a layer you did not know was there cannot be priced, managed or held to anything.

Two Requests Nobody Rehearses

Give someone an hour of preparation and he can carry the entire commercial conversation. Product range, tonnage, tolerances, export markets, certification, which competitor is cheaper and why. Business knowledge is briefable.

You cannot brief someone on a building.

Ask where the toilet is. Someone who works there does not think about it. He turns and walks, and usually he adds something you did not ask for — that the near one is out of order, that the good one is on the floor above, that you should go left after the vending machine. Someone who came for the afternoon pauses. He looks around. He asks a passing worker. Or he takes you back to reception, because reception is the only room he is sure of.

Ask to borrow a pen. A real employee goes and gets one from his own desk, or from the drawer in the meeting room he has sat in a hundred times, or out of his own pocket without breaking the conversation. A visitor produces a brand-new pen from his own bag — because he packed like a visitor — or sends someone else to find one.

Two reasons these work better than any question you could ask:

They are too ordinary to have been covered. Whatever coaching happened before you arrived was about the product, the price and the plant. Nobody sits a stand-in down and says, “and if he asks for the toilet, tell him it’s past the QC room.”

They test familiarity with the space, not knowledge of the business. Knowledge can be memorised in an hour. A floor plan you have lived in for three years cannot be performed, and its absence cannot be hidden, because the giveaway happens in the first second — before he has decided what to say.

Design your own — the two conditions

Any request qualifies if it meets both tests: ordinary enough that nobody would ever think to prepare an answer, and answerable only by someone who spends his days in that building. Once you see the pattern you can invent them all day. These are the ones we use.

Spread them across the visit rather than firing them off in sequence, and never let it feel like a test — the moment your host senses he is being examined you have traded a small piece of information for a large piece of goodwill. These are favours, not traps.

Reading the Reaction, Not the Answer

What you are watching is the first second, not the sentence. The content of the answer barely matters.

One honest limit, because this is where the trick stops being clever. Passing does not prove employment. It proves he is in that building often. A trading company salesman who has brought buyers there for years will pass every request on the list, cheerfully, and he should — he genuinely knows where the toilet is.

So a pass narrows the question rather than answering it: he is not a stranger here. Whether he is staff or a regular gets settled on paper, not on the shop floor. Compare the entity name on his card against the entity that will chop the contract, and check that entity’s insured headcount (参保人数) in its annual report on the national register at gsxt.gov.cn — a company insuring three people is not running the plant you just walked through. That comparison is the subject of our sister article on the office, the factory and the bank account being three different companies.

When Your Host Isn’t Plant Staff — and It’s Still Fine

This is the part most supplier-verification advice skips, and skipping it costs buyers good suppliers.

A host who does not work at the plant is not evidence of a scam. It is evidence of a structure, and most of the structures are legitimate:

• Group companies. A sales company on the coast, a manufacturing subsidiary somewhere cheaper. The salesman genuinely is an employee of the company you are contracting with, and genuinely does not know where the toilet is in his own group’s plant, because he comes once a month. He is exactly who he says he is and he still fails the pen test.
• Export agents. Many small and mid-sized plants never registered for export rights, so a trading company handles documentation, collection and the customer relationship. Standard practice, and normally documented.
• Assembly operations. Some suppliers are not manufacturers in the sense you are picturing. Their skill is selecting and controlling component suppliers and building the finished unit themselves. That is a real business model with real advantages — they buy components competitively instead of being stuck with whatever their own line can produce, and they are far more flexible than a large plant on small batches, spec changes and delivery dates. Some of the best price-and-quality combinations we source come from exactly this kind of company. The three types are worth understanding before you judge anyone: we set them out in factory versus trading company.

There are also plain innocent reasons a good employee fails. He started three weeks ago. The company moved in this year. In a large plant the office block and the shop floor are separate worlds. And a senior person calling a junior to fetch a pen may be showing you his rank, not his ignorance.

Which is why the finding is never the verdict. The real question is not which of the three types you are dealing with. It is whether they have gone out of their way to hide which one it is.

An assembler who says “we assemble, here are our component suppliers, come and inspect the incoming parts” is a supplier. An assembler who walks you round someone else’s line as though it were his own is a problem — and the problem is the concealment, not the assembly.

So put the question on the table, plainly and without accusation: Which company employs you? Which company owns this plant? Which company signs my contract? A supplier with a clean structure answers all three in one breath, because none of the answers costs him anything. Hesitation at that specific moment tells you more than the pen did.

There is a related pattern worth naming here, because it usually shows up before you arrive rather than during the visit: your contact says at the last minute that he cannot make it, and someone else receives you. That one deserves its own article.

Score It, Don’t Veto It

Almost nobody should walk away from a supplier because of a pen. We do not.

When a host turns out to be a layer we did not know about, we keep talking to the company and re-price two things. Price risk: is there a margin we are paying for and cannot see, and does anyone in this chain control component cost? Quality risk: who is accountable for the line, how does a complaint travel, and does inspection access depend on somebody’s goodwill? Then we score the supplier and compare it against others in the same tier.

Often the right move is not to disqualify but to renegotiate access — direct contact with the plant, named production dates, inspection during production rather than after. A supplier who agrees now has a reason to behave. One who refuses has told you something about the layer.

Findings are deductions, not death sentences. A middleman who declares himself, prices fairly and manages the plant well beats a disorganised manufacturer. What you must not do is carry an unexplained layer into a payment: score it, price it, or ask about it — but do not pretend you did not notice.

What to Watch on the Day

Take this with you and fill it in before you get back in the car, while it is still fresh.

• [ ] Ask where the toilet is — note whether he moved before he spoke
• [ ] Ask to borrow a pen — note where the pen came from
• [ ] Ask two or three of the ordinary requests above, spread across the visit
• [ ] Watch the workers’ faces when he speaks to them — recognition or blankness
• [ ] Note whether anyone greets him by name, unprompted
• [ ] Ask him plainly which company employs him, which owns the plant, which signs the contract
• [ ] Compare the entity on his card with the entity on the quotation
• [ ] Check that entity’s insured headcount on gsxt.gov.cn against the workforce you saw
• [ ] Ask to see one section of the plant that was not on the route
• [ ] If you are visiting through an interpreter, brief them to translate the requests casually — see our notes on visiting a Chinese factory when you don’t speak the language
• [ ] Write down what you observed the same day, not the same week

If you are still planning the visit, our one-day factory audit checklist covers the rest of the ground — production, records, capacity. This article covers the half hour of it that nobody prepares for.

You are not trying to catch anybody out. You are trying to find out who you are actually buying from, so you can put a number on it. Ask for small things, watch the first second, and write it down before you forget it.

Content last updated: July 2026.