Can They Actually Make This in Time? Checking Capacity

Last Tuesday, a buyer from Texas wired $47,000 to a factory that promised a 15-day lead time.

On day 14, he called.

The line was dead. Factory vanished. Turns out, they had exactly zero production lines. They were a trading company renting an office.

The whole “we can make this fast” pitch? A lie wrapped in a Alibaba Gold Supplier badge.

This happens every week in Shenzhen. A factory says “no problem” to your timeline. You believe them. Then week three hits and suddenly they need “just a few more days.” By week six, you’re explaining to your boss why the container is still sitting empty at the port.

Here’s the thing about capacity in China:

Nobody tells you the truth.

Not because they’re evil. Because saying “no” loses face. So they say “yes” and figure it out later. Or they don’t figure it out at all and your order becomes a dumpster fire.

What “15-Day Lead Time” Actually Means

When a supplier quotes you a lead time, they’re not lying exactly. They’re just playing a different game than you are.

You hear “15 days” and think: materials ordered on day 1, production starts day 3, finished goods packed by day 14, shipped day 15.

Clean. Linear. Logical.

What actually happens:

I watched this play out last month. Client needed 5,000 units for a Black Friday launch. Factory said 20 days, easy.

Week one: “Production going smoothly.”

Week two: “Small material delay, but catching up.”

Week three: I showed up unannounced.

They had made 400 units.

The boss blamed the injection mold. Said it was “being adjusted.” I walked to the mold shop. The mold was sitting on a shelf covered in dust. Nobody had touched it in a week.

Turns out, they took on three other orders the same week. My client’s order got pushed to the back because the other buyers were physically in Shenzhen and could make noise.

That’s capacity checking in real life. It’s not about what they CAN do. It’s about what they’re actually DOING.

The Actors on the Production Floor

Smart factories know when buyers visit.

And they prepare.

I’m talking about the old trick: hiring day laborers to sit at workstations during your audit. They’re not real workers. They’re temps paid 200 RMB to look busy for four hours.

How do you spot them?

• They’re all wearing brand-new uniforms that still have fold lines

• They don’t talk to each other (real workers gossip constantly)

• Their hands are clean (factory hands are always stained with grease, glue, or solder)

• They’re working too carefully, like they just learned the task that morning

• When you ask them a question, they look at the boss before answering

Real workers don’t give a damn about the boss watching. They’ve been doing the same task for two years. They know it better than the manager.

Fake workers are nervous.

Here’s how I caught this once:

I walked onto a floor that supposedly ran two shifts. Morning and night. The place looked immaculate. Machines humming. Workers focused.

I asked to use the bathroom.

It was spotless. No soap scum. No wadded-up paper towels. No smell.

A factory bathroom after a full morning shift? It should look like a gas station restroom on a highway.

I walked back out and asked the floor manager: “When did the morning shift start?”

“7 AM,” he said.

It was 11 AM. Four hours of workers using the bathroom and it looked like a hotel lobby.

I pulled the client. We walked.

Two weeks later, we found out that factory was subleasing the actual production to a workshop 40 minutes away. The “factory” was just a showroom.

The Ghost Shift Scam

This one’s my favorite because it’s so brazen.

Factory takes your order. Agrees to your timeline. Everything seems fine. Then they hit a snag—maybe a machine breaks, or they underestimated the work, or they just took on too much.

Do they tell you?

No.

They hire a “ghost shift.”

This is when factories bring in untrained day laborers at night to rush out your order. These aren’t skilled workers. They’re people pulled off the street, paid cash, and told to assemble widgets as fast as possible.

No training. No oversight. Just speed.

The defect rate on ghost shift products? Roughly 30-40%.

You won’t know until the container arrives and you start unpacking. By then, the factory has your money and you’re holding a box of junk.

I caught a ghost shift in action once. Client hired us for a pre-shipment inspection. We showed up at 9 PM because I had a hunch.

The factory gates were open. Lights on.

Inside, maybe 20 people were frantically assembling plastic housings. None of them were wearing gloves. Half of them were smoking. One guy was literally watching a soccer game on his phone while snapping parts together.

The floor manager saw me and his face went white.

“Who are these people?” I asked.

“Uh… temporary workers.”

“Did they get any training?”

Silence.

We pulled 50 units at random. Tested them. 18 failed basic function tests. That’s a 36% defect rate.

The client killed the order on the spot. Demanded a full refund. The factory tried to negotiate, but we had photos, test results, and video of the ghost shift.

They refunded 80%. Client still lost $12,000.

That’s the cost of not checking capacity properly.

How to Actually Check Capacity

Forget the polite email asking “Do you have capacity for my order?”

They’ll say yes. Always.

Here’s what you do:

1. Demand a production schedule. Not a vague “we’ll start soon.” An actual day-by-day breakdown. When does material arrive? When does injection molding start? When does assembly begin? If they can’t give you this, they don’t have a real plan.

2. Ask what else they’re making right now. If they say “nothing,” they’re lying or desperate. If they say “many orders,” ask how yours fits into the queue. A good factory will show you the calendar.

3. Visit during peak production hours. Morning is 9-11 AM. Afternoon is 2-4 PM. If the floor is half-empty during these times, they don’t have the capacity they claim.

4. Count the machines. Injection molding machines, CNC machines, soldering stations—whatever your product needs. Then do the math. How many units can one machine produce per hour? How many hours in a shift? Does the math match their lead time? If not, they’re bluffing.

5. Talk to the workers. Not the boss. The people on the floor. Ask them how long they’ve been there. Ask them what they’re working on. If they’ve been there for years, they’ll tell you the truth. New hires parrot what the boss says.

Last year, a client wanted 10,000 Bluetooth speakers in 25 days. Factory said “easy.”

We counted their SMT lines. They had two.

Each line could produce about 150 PCB assemblies per day, working at full speed. That’s 300 per day. Over 25 days, that’s 7,500 units.

Not 10,000.

When we pointed this out, the factory admitted they planned to “source some from a partner factory.”

Translation: they were going to subcontract half the order to a cheaper workshop and hope we didn’t notice the quality difference.

We renegotiated the timeline to 35 days. They delivered on time, at the quality we needed.

But only because we checked the actual capacity, not the imaginary capacity they sold us.

The One Thing You Should Do Right Now

If you’re reading this and you’ve already placed an order based on a factory’s promised lead time, do this:

Get on a video call with the factory boss. Right now.

Tell them you want to see the production floor. Live.

Not a pre-recorded tour. Not photos. A live video call where they walk you through the space, show you the machines, show you your materials sitting in inventory, show you workers actively assembling your product.

If they hesitate, you have a problem.

If they make excuses, you have a bigger problem.

If they say “we’ll send photos tomorrow,” start looking for a backup supplier.

Real factories with real capacity have nothing to hide. They’ll video call you on the spot.