You ask your supplier one question: "Can we visit the factory?"
Then you wait. If the answer comes back three days later, with conditions attached and a date that keeps moving, you already have your answer. You just haven't said it out loud yet.
This is the most common problem in apparel sourcing, and it is the one buyers discover last. Not because it's hard to detect — it isn't — but because everything looks fine right up until it stops looking fine. The samples are good. The replies are fast. The quote is where you wanted it. There is nothing to be suspicious of, which is exactly the problem.
By the time the difference becomes visible, you have already paid a deposit, already promised your customers a date, and already sold the collection. At that point it is no longer a sourcing question. It is a customer service crisis.
So let's deal with it before the deposit, not after.
First, the honest part: trading companies are not the villain
I want to be fair here, because most articles on this topic aren't, and the unfairness makes them useless.
Trading companies exist because they solve real problems. If you need twenty different products from twenty different factories, no single factory will help you. If you don't have an export license in your own name, someone has to handle the paperwork. If your orders are small and irregular, aggregation is genuinely more efficient than direct sourcing. A good trading company is a real service business, and buying through one is often the correct decision.
The problem is not that trading companies exist.
The problem is when a trading company tells you it's a factory. Because then you price, plan and promise on the basis of something you are not actually getting — and you have no idea until the pressure arrives.
Why the distinction matters — six ways it shows up later
It's easy to treat "factory vs. trader" as a matter of pride or purity. It isn't. It's operational, and it shows up in six specific places.
1. Lead time you can't see into. Every additional party between you and the sewing line adds days and removes visibility. When a trader tells you "production is on schedule," they are relaying what someone else told them. Neither of you actually knows.
2. Problem-solving during production. Things go wrong in manufacturing. Fabric shrinks more than expected. A dye lot comes out half a shade off. A trim arrives late. A factory fixes these on the floor, in hours, because the decision-maker is standing next to the machine. A trader sends an email and waits for a reply. The cost of that delay lands on your delivery date.
3. The customization ceiling. You ask for a specific stitch density, a particular neck rib, a heavier interlining. A factory says yes or no based on what its machines and staff can do. A trader says yes or no based on what its partner factory is willing to do — and that partner has its own customers, its own priorities, and no relationship with you.
4. Accountability when it fails. When a shipment doesn't meet spec, there is a clear line: you inspect, you reject, the factory fixes it. With a middleman, the conversation becomes a triangle, and triangles are excellent at absorbing responsibility until it disappears.
5. Development, not just quoting. The real test of a supplier is whether they can develop a style with you — propose a fabric, adjust a pattern, solve a construction problem. A trader can quote what already exists. A factory can build what doesn't yet.
6. Where your money actually goes. This is the one buyers think about most and understand least. Without knowing whether you're buying from a factory or through one, you cannot tell what portion of what you pay is the garment and what portion is the layer. That's not automatically bad — but not knowing is.
The seven checks
None of these require a plane ticket or a translator. Most take one message.
If you're earlier in the process than this — still working out what to make, or how sourcing works at all — the complete buyers' guide to custom T-shirt wholesale covers the steps that come before supplier screening.
1. Look at the business license scope, not the company name
In China, a company's registered scope of business (经营范围) lists what it is legally permitted to do. Names are marketing; scope is a filing.
Two things to check. First, does the scope actually include garment manufacturing — and, just as importantly, does it also include export trading? Second, does the registered address match the address you've been told is the factory?
Plenty of trading companies have "garment manufacturing" in their scope on paper while operating from an office. That's legal and common. But when the registered address is a room in a wholesale building, and the "factory" is somewhere else, you now know precisely what you're dealing with. That's not a reason to walk away. It's a reason to renegotiate.
2. Send a technical question, not a sales question
Ask something only a production person can answer well:
- "What stitch density do you run on a mid-weight cotton jersey?"
- "How do you control shrinkage on a garment-dyed piece?"
- "What's your standard seam allowance, and when do you deviate?"
- "How many rounds of sample revision do you normally need on a new style?"
Specific, fast answers mean you reached someone who actually makes things. A brochure-style answer — or a question back about your quantity before they'll engage — tells you the first party in the chain is a sales desk.
Note the tell: a real factory answers the technical question first and asks about quantity second. A trader reverses the order.
3. Ask to see the cutting room
Every garment factory has a cutting room. You cannot make garments without one.
A cutting room is a specific, hard-to-fake thing: long tables, a marker laid out on a spread of fabric, a cutting machine, bundles tied and ticketed for the sewing floor. Ask for a photo or a live look. It is the single most reliable proxy for "this company makes garments," because unlike a sewing line, you cannot borrow one for an afternoon.
If the answer is a pre-recorded "factory tour" video, that is not an answer.
4. Ask who makes the sample
When you request a sample, ask directly: "Is this sample made in your own sample room?"
Every serious factory has a sample room — a small team of pattern makers and sample machinists whose entire job is turning designs into physical garments. It sits next to the production floor, and it is the reason a factory can respond to a new design at all.
If samples arrive from a different city than the factory you're talking to, you've found your answer without anyone having to lie to you.
5. Ask for the machinery list and the floor layout
Not to audit it — to see whether the answer is specific. "We have sewing machines" is not a list. A real production manager will tell you the mix: how many single-needle lockstitch, how many overlock, how many flatlock, whether there's a bar-tack machine, whether there's an in-house embroidery or heat-press station.
The detail is the point. Vagueness here is not modesty; it's absence.
6. Insist on a live video walkthrough
Not a video. A live video call, on a normal working day, at a normal working hour, where you can ask the person holding the phone to turn around and walk to a specific area.
Pre-recorded facility tours are the most common prop in sourcing, and they cost nothing to produce. A live walkthrough is hard to fake and takes fifteen minutes. If a supplier can't spare fifteen minutes for a buyer, they are telling you where you rank.
Ask one question during the walk: "Can you show me where my order will be made?" Then watch what happens.
7. Find out who appears as the exporter of record
Ask to see a recent Bill of Lading, or the export documentation from a comparable order.
The shipper named on that document is the party that actually exported the goods. If it's a company you've never heard of, ask why. If it's a different company on every order, ask why twice. There are legitimate answers — but you're entitled to hear one.
If you're buying in the embellishment category specifically — rhinestones, beads, appliqué — there's a longer version of this list: the questions to ask a rhinestone T-shirt supplier before you commit.
Flip it around: what a real factory asks you
Every check above is something you do to them. There's a faster version: listen to what they ask you.
A genuine manufacturer asks operational questions, and asks them early — because the answers determine whether your order is even feasible:
- What's your size breakdown, not just your total quantity?
- What's your delivery window, and is it fixed or flexible?
- Do you have a reference sample or a tech pack, and how complete is it?
- Which market are you selling into? (This changes labelling, sizing and compliance.)
- Is the fabric already decided, or are you open to what's in stock?
A middleman asks a shorter list: what's your quantity, and what's your target price. Those two questions are the only two they need, because they're the only two inputs required to go and ask someone else.
That's the tell. One party is working out how to make your product. The other is working out where to place it.
And notice the second-order signal: a real factory will occasionally push back — "that delivery window isn't realistic," or "this construction won't hold up in that fabric." Disagreement is expensive for a supplier to offer, and middlemen almost never do it. When someone tells you no for a good reason, you've probably found the right supplier.
The category nobody talks about: factory and trading under one roof
There is a third model, and it's the one most established Chinese manufacturers have moved to over the last two decades: an in-house factory plus an in-house export arm.
Same ownership, same building, same management. In practice it means the company owns its production lines and holds its own export license, runs its own QC team, handles its own documentation and shipping, and employs its own foreign-trade staff.
Why it matters to you: you get the factory's ability to solve problems on the floor, and the trading company's ability to handle paperwork, inspection and logistics — without a third party sitting in the middle taking a margin and adding a delay.
This model has a name in the industry and buyers should learn it, because otherwise you'll keep asking the wrong question. The right question is not "are you a factory or a trader?" It's "which parts of this are yours?" A serious manufacturer can answer that precisely, line by line, and will not be offended that you asked.
The obvious risk: everyone claims it. Which is why checks 3, 4 and 6 above exist. Anyone can claim to be vertically integrated. Only a real one can walk you to the cutting room.
Red flags, in one place
- The factory tour is always a video, and the factory is always "just finishing another order" when you ask to visit
- The address is an office building, a trade centre, or a room in a wholesale market
- Nobody in the conversation can answer a technical question — every answer routes back to sales
- The sample arrives from a different city than the factory
- A different company appears as exporter on each shipment
- They can't name the fabric mill they buy from
- Every question you ask is answered with a request for your order quantity
One of these is a conversation. Three of them is your answer.
What to do with all this
You don't need to interrogate anyone. Send one message, and let the reply do the work:
Hi — before we go further, a few quick questions so we can plan properly:
- Is the production done in your own facility? What's the address?
- Do you have an in-house sample room and cutting room?
- Could we do a live video walkthrough of the factory this week?
- Is the export documentation in your own company name?
- Who should we speak to directly about construction and fabric?
A real manufacturer answers all five in one pass, usually within a day, and often with photos attached before you ask.
A middleman answers two, deflects three, and suggests a call.
You can see how we answer all five on our FAQ page. And if you're working through a stack of quotes after a trade show, this 72-hour triage method is a good way to sort them before you reply to anyone.
The uncomfortable truth
Buyers spend enormous energy on the quote and almost none on who is on the other end of it.
That's backwards. The quote is a number you can compare across five suppliers in an afternoon. The supplier is the thing you will live with for the next eighteen months — through the late shipment, the shade variation, the rush reorder, the size that doesn't sell and needs to be replaced in three weeks.
A middleman isn't automatically a bad choice. Buying through one can be entirely rational, and plenty of good brands do it deliberately.
But it should be a decision, not an accident. And it can only be a decision if you know which one you're talking to.
MTDMJ (Senhean Garment Co., Ltd.) is a custom apparel manufacturer in Guangzhou, China. We have been making garments since 2003 — twenty-three years, and more than 900 clients later, in our own factory, with our own sample room, cutting room and export team. We make custom T-shirts, dresses, shirts and hoodies on a quote basis, with a minimum of 100 pieces per style and 30/70 payment terms.
If you're sourcing and want a straight answer about whether your order is realistic, send your tech pack to lemon@mtdmj.com — or start at mtdmj.com.
Before any money moves, there is a longer version of this checklist worth working through: how to vet a Rhinestone T-shirt supplier — ten questions to ask before a bulk order.
Keep the conversation going. We share sourcing notes, factory-floor detail and buyer guides on LinkedIn and Facebook. If you're planning an order, write to lemon@mtdmj.com.
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