He wired $24,000 to the factory on Monday. By Friday, the phone number was dead.

The supplier had shown him a 12,000 sqm plant in Shenzhen with six production lines. The real address was a rented office above a noodle shop. The "sales manager" was a cousin working from one laptop.

A factory audit would have exposed it in half a day. At $169 per man-day, that is the cheapest insurance an Amazon seller can buy before a five-figure deposit. We have completed 2,000+ inspections and audits across China, and ghost factories are far more common than buyers expect.

Why audit before you wire the deposit?

Most suppliers on Alibaba and 1688 are honest. But the ones who are not are very good at looking real. They borrow photos, rent offices near real factories, and quote prices that undercut everyone else. A deposit is typically 30% of the order. On a $60,000 order, that is $18,000 gone if the "factory" vanishes.

✅ A $338 audit on the right day protects that $18,000.

❌ A deposit wired on trust protects nothing.

The math gets worse after the deposit. A ghost factory that accepts your order will still ship something: the wrong product, the wrong material, or a partial carton count. By the time you discover it, the container is on the water and your listing is on a countdown. ⚠️ The audit is not only about avoiding fraud, it is about confirming the factory can actually build what you are paying for, at the volume you need, before you commit.

The 6 checks inside a factory audit

Check	What the inspector verifies	Why it matters
1. Business license	Legal name, address, registration scope	Confirms the entity exists and can legally export
2. Production lines	Working machines, real capacity per day	Exposes trading companies posing as factories
3. Workforce	Headcount per shift, skill level	Catches capacity claims that need triple the staff
4. QC process	Incoming checks, in-process controls, test records	A factory without QC records cannot hold quality
5. Material storage	Raw material inventory vs order spec	Flags bait-and-switch before production starts
6. Export records	Past shipping history, certifications	Proves they have actually shipped to your market

Each check produces a photo and a short note. Nothing is left to memory or a handshake.

Audit vs pre-shipment inspection: which one do you need?

Decision point	Factory audit	Pre-shipment inspection
When to run it	Before the deposit or before mass production	After production, before the container ships
What it protects	Your deposit and your supplier choice	Your finished goods and your listing
Typical cost	$169-$338 per factory	From $169 per man-day
Best for	New suppliers, big deposits, first orders	Every order, every time

If you are meeting suppliers at the Proven Conference 2026 in Las Vegas this month, the audit is the tool you use after the handshake. The conference helps you shortlist; the audit confirms the list.

One more benefit buyers forget: the audit is negotiation leverage. A supplier who knows you verify factories prices their goods more carefully, because they know you will catch shortcuts at every stage. We regularly see audited suppliers offer better payment terms, simply because the buyer asked for proof before the deposit.

Step 1: Verify the business license and registration

The inspector photographs the business license and cross-checks the legal name, address, and registration scope against what the sales rep sent you. Ghost factories often fail right here, because the license belongs to a different entity or the address does not exist.

Step 2: Count real production capacity

We walk every floor and count working machines, production lines, and workers on shift. Then we compare that against the capacity the supplier claimed in the quotation. A 10,000-unit monthly claim from a workshop with two injection machines does not add up.

Step 3: Confirm who owns the equipment

Machines can be rented for a day to impress visitors. We check serial numbers, maintenance records, and whether the equipment actually matches the product you are ordering. A plastic toy order from a factory full of metal-stamping presses is a warning sign.

Step 4: Review QC and testing records

We look at incoming material records, in-process checks, and any test reports the factory keeps. A factory with no quality paperwork is a factory with no quality process, no matter how clean the showroom looks.

Step 5: Photograph everything with GPS evidence

Every photo carries GPS coordinates and a timestamp. You get visual proof the audit really happened at that address, on that day, and you can forward the photo log straight to your supplier as evidence.

Real inspection: the 800 sqm "factory"

A Proven member was about to wire $18,000 to a supplier of countertop organizers. The listing promised six assembly lines and 40 workers. Our audit found one line, nine workers, and zero QC records. The "factory" was a trading office with a borrowed showroom. ⚠️ The audit report paid for itself about forty times over.

The buyer switched to a verified factory down the road. That order shipped with a 2.3% defect rate, and the seller has reordered twice since. The second factory even asked to see the audit photos, because a buyer who verifies suppliers is a buyer worth keeping.

FAQs

How much does a factory audit in China cost?

A standard factory audit starts at $169 per man-day, the same rate as our pre-shipment inspections. Most single-factory audits take one day, so you are usually looking at $169 to $338 depending on how many production lines need checking. Travel to a remote industrial zone adds a half-day booking.

How long does a factory audit take?

A typical audit takes 3 to 5 hours on site, and the report is delivered within about 24 hours. If the factory is in a remote industrial zone, travel time adds half a day to the booking. For multi-site audits we can split a team across two cities in the same day.

What is the difference between a factory audit and a pre-shipment inspection?

A factory audit verifies the factory itself: license, equipment, workforce, and quality systems. A pre-shipment inspection (PSI) verifies the finished goods right before they ship. Audits protect your deposit; PSI protects your shipment. Smart importers do both, and we can bundle them into one visit.

Can CloudSpects audit a factory I found on Alibaba or 1688?

Yes. Send us the factory name and address, and we run the audit in person. We also compare the on-site reality against the listing: photos, claimed capacity, stated certifications, and even the warehouse shown in their video.

Do factory audits come with a pass or fail verdict?

Yes. Every audit ends with a clear verdict: Pass, Pass with conditions, or Fail. Pass with conditions lists the exact items the factory must fix before you place the order, and we can re-audit those points for you within the same week.

Book an audit before your next deposit

💰 One audit day from $169/man-day. Reports typically land within ~24h.

If you're importing 5,000 units for Amazon FBA and your supplier says, “We checked 20 pieces and everything looks good,” would you be comfortable releasing the shipment?

I wouldn't treat that as enough information.

Twenty units is only 0.4% of a 5,000-unit order, and more importantly, it isn't a statistically selected sample size under a standard AQL sampling plan.

What AQL changes

Instead of telling the factory to “check a few pieces,” you define:

• Lot size
• Inspection level
• AQL limits
• Critical, major, and minor defects
• Random sampling method
• Acceptance/rejection criteria

Under a commonly used General Inspection Level II sampling plan, an order in the 3,201–10,000 unit range typically leads to a sample size of 200 units.

So for a 5,000-unit FBA order, you're potentially comparing:

Factory spot check: 20 units
AQL Level II sample: 200 units

That's a pretty big difference.

Why random sampling matters

The inspector shouldn't simply check the first cartons the factory opens.

Samples should be selected across different master cartons and locations within the finished lot.

Otherwise, you can end up inspecting 20 perfect units while defects are concentrated somewhere else in production.

For Amazon sellers, those defects might include:

• Product not functioning correctly
• Incorrect dimensions or components
• Poor assembly
• Cosmetic damage
• Wrong barcode/FNSKU
• Missing inserts or accessories
• Incorrect packaging
• Carton marking errors

A product can look fine at first glance and still create an FBA headache.

Define defects before inspection

This is another part sellers sometimes overlook.

Before production is finished, decide what counts as:

Critical: Safety, regulatory, or other defects where the agreed sampling plan allows no acceptance.

Major: Problems likely to affect function, usability, saleability, or customer acceptance.

Minor: Smaller workmanship or appearance issues that don't materially affect normal use.

Your inspection checklist should ideally include photos, measurements, approved samples, packaging requirements, and clear defect examples.

That makes the inspection much less subjective.

AQL isn't a guarantee of zero defects

This is important.

Passing an AQL inspection does not mean every unit in the shipment is defect-free. AQL is a statistical sampling approach for making an acceptance decision about a production lot without inspecting every single unit.

If your product has particularly high-risk features — batteries, electrical components, children's products, safety-related parts, etc. — those areas may need stricter criteria, specific testing, or even 100% checking depending on the risk.

A simple workflow for FBA sellers

Before releasing your final payment:

1. Approve a production sample or detailed specification.
2. Define critical, major, and minor defects.
3. Set the inspection level and AQL limits.
4. Have samples randomly selected from the finished lot.
5. Review the actual defects and photos — not just “PASS/FAIL.”
6. If the result is unacceptable, agree on corrective action with the supplier.
7. Re-inspect after rework when necessary before releasing the shipment.

The goal isn't to make life difficult for the supplier.

It's to agree on what acceptable quality means before thousands of units leave the factory.

For experienced FBA sellers here: what AQL levels are you normally using for your products, and which defects do you consider automatic shipment-stoppers?

If you're importing 5,000 units for Amazon FBA and your supplier says, “We checked 20 pieces and everything looks good,” would you be comfortable releasing the shipment?

I wouldn't treat that as enough information.

Twenty units is only 0.4% of a 5,000-unit order, and more importantly, it isn't a statistically selected sample size under a standard AQL sampling plan.

What AQL changes

Instead of telling the factory to “check a few pieces,” you define:

• Lot size
• Inspection level
• AQL limits
• Critical, major, and minor defects
• Random sampling method
• Acceptance/rejection criteria

Under a commonly used General Inspection Level II sampling plan, an order in the 3,201–10,000 unit range typically leads to a sample size of 200 units.

So for a 5,000-unit FBA order, you're potentially comparing:

Factory spot check: 20 units
AQL Level II sample: 200 units

That's a pretty big difference.

Why random sampling matters

The inspector shouldn't simply check the first cartons the factory opens.

Samples should be selected across different master cartons and locations within the finished lot.

Otherwise, you can end up inspecting 20 perfect units while defects are concentrated somewhere else in production.

For Amazon sellers, those defects might include:

• Product not functioning correctly
• Incorrect dimensions or components
• Poor assembly
• Cosmetic damage
• Wrong barcode/FNSKU
• Missing inserts or accessories
• Incorrect packaging
• Carton marking errors

A product can look fine at first glance and still create an FBA headache.

Define defects before inspection

This is another part sellers sometimes overlook.

Before production is finished, decide what counts as:

Critical: Safety, regulatory, or other defects where the agreed sampling plan allows no acceptance.

Major: Problems likely to affect function, usability, saleability, or customer acceptance.

Minor: Smaller workmanship or appearance issues that don't materially affect normal use.

Your inspection checklist should ideally include photos, measurements, approved samples, packaging requirements, and clear defect examples.

That makes the inspection much less subjective.

AQL isn't a guarantee of zero defects

This is important.

Passing an AQL inspection does not mean every unit in the shipment is defect-free. AQL is a statistical sampling approach for making an acceptance decision about a production lot without inspecting every single unit.

If your product has particularly high-risk features — batteries, electrical components, children's products, safety-related parts, etc. — those areas may need stricter criteria, specific testing, or even 100% checking depending on the risk.

A simple workflow for FBA sellers

Before releasing your final payment:

1. Approve a production sample or detailed specification.
2. Define critical, major, and minor defects.
3. Set the inspection level and AQL limits.
4. Have samples randomly selected from the finished lot.
5. Review the actual defects and photos — not just “PASS/FAIL.”
6. If the result is unacceptable, agree on corrective action with the supplier.
7. Re-inspect after rework when necessary before releasing the shipment.

The goal isn't to make life difficult for the supplier.

It's to agree on what acceptable quality means before thousands of units leave the factory.

For experienced FBA sellers here: what AQL levels are you normally using for your products, and which defects do you consider automatic shipment-stoppers?

I hear this a lot from factories, and honestly, it’s not necessarily a bad thing. A good factory should be doing its own QC.

The problem is that their idea of “acceptable” might be different from yours.

A small scratch? Factory says okay.

Slight color difference? Probably okay.

Packaging a little different from the approved sample? Still okay.

None of these necessarily mean the supplier is trying to hide something. They may simply be working to a different standard.

So one thing I’ve learned is to ask:

“What did you check, and what did you consider acceptable?”

That usually tells you more than just hearing “QC passed.”

Curious how other importers handle this — do you trust the factory’s internal QC once you’ve worked with them for a while, or do you still check every shipment?

A pre-shipment inspection can catch defects, but by the time a problem is discovered, the product may already be finished, packed, and ready to ship. At that point, fixing the issue can mean rework, delays, or rejected inventory.

A stronger approach is to build quality control into the production process through three stages:

1. Supplier qualification
Before placing an order, verify that the factory has the equipment, processes, quality systems, and experience needed to meet your requirements.

2. Production monitoring
Quality issues can develop while production is underway. Periodic checks during production can identify material changes, process deviations, equipment issues, or inconsistent output while there is still time to correct them.

3. Final verification
The final inspection should serve as the last release gate, confirming that the agreed specifications were followed rather than being the first time anyone seriously evaluates quality.

The key distinction is simple:

Inspection finds problems. Quality management works to prevent them.

For companies sourcing from overseas, the question is not just "Are we inspecting our products?"

It is: "At what point in the production process are we actually controlling quality?"

What does your quality control process look like? Is most of the focus on final inspection, or are suppliers monitored throughout production?

You’ve ordered the same product from the same factory before.

The first shipment was great.

So the next order should be the same… right?

Not always.

Between production runs, things can change:

• Raw material suppliers
• Components or accessories
• Packaging materials
• Production workers or lines
• Finishes, colors, or tolerances
• Manufacturing processes

Sometimes these changes are harmless. Sometimes they’re the reason a repeat order suddenly has quality problems.

That’s why “We’ve ordered from them before” shouldn’t automatically mean “We don’t need to check this shipment.”

For repeat orders, compare production against your approved sample and specifications—not just the previous supplier relationship.

Importers: Do you inspect every repeat order, or reduce inspections once you trust the factory?

When comparing suppliers in China, it's tempting to put all the quotations into a spreadsheet and choose the lowest number.

But before choosing the cheapest quote, ask:

Why is it cheaper?

Maybe they have better production efficiency.

Or maybe they're using:

• Lower-grade materials
• Thinner components
• Cheaper packaging
• Subcontracted production
• Different specifications than you expected

A low price isn't automatically a red flag. But a price that's significantly below everyone else deserves an explanation.

Instead of asking only:

“Can you give me a better price?”

Try asking:

“What exactly is included in this price, and what specification is it based on?”

That one question can prevent a lot of misunderstandings later.

Importers: When comparing suppliers, what matters most to you after price—quality, communication, lead time, MOQ, or something else?

Your pre-shipment inspection fails.

The factory responds:

“Don’t worry. We’ll rework the defective units and ship tomorrow.”

Would you approve the shipment?

This is where importers sometimes make an expensive mistake.

A failed inspection doesn’t automatically mean the entire order is bad—but a promise to fix the problems doesn’t confirm they were actually fixed.

Before approving shipment:

• Review exactly why the inspection failed
• Ask for a clear corrective action
• Give the factory time to complete the rework
• Re-check the affected defects
• Consider a re-inspection before shipment

The goal isn’t to punish the supplier. It’s to confirm that the problems you paid to identify have actually been corrected.

Inspection finds the problem. Re-inspection verifies the solution.

Importers: After a failed inspection, do you always re-inspect—or are there situations where you’d accept the factory’s corrective action and ship?

Porcelain tile is one of those products where a small QC problem can become very expensive once the container arrives.

Two pallets can have the same SKU and packaging — but slightly different shades, dimensions, or flatness. Once thousands of kilos of tile have been shipped, fixing the problem gets difficult fast.

If you're sourcing porcelain tiles from China, here are 7 checks worth doing before shipment:

1. Shade & color consistency Don't inspect just one carton. Compare tiles from different cartons and pallets. Mixed production/kiln batches can create noticeable shade differences.
2. Dimensions & rectified edges Measure length, width, thickness, and squareness against the approved specification. Small dimensional differences can create alignment and installation problems across a large floor.
3. Flatness & warpage Especially important for 600×600 mm and larger formats. Check tiles on a flat surface for bowing and corner lift.
4. Surface & glaze quality Look under good lighting for pinholes, crazing, scratches, chipped edges, glaze defects, and inconsistent texture.
5. Abrasion/wear specification For glazed floor tiles, confirm the specified wear/abrasion classification and review the supplier's supporting test documentation where applicable. Don't rely only on what's printed on the carton.
6. Water absorption For porcelain, water absorption should generally be ≤0.5% by mass under the applicable test standard. This is one of the important characteristics distinguishing porcelain from more porous ceramic tile.
7. Export packaging Check carton strength, edge/corner protection, pallet condition, strapping, moisture protection, and overall container-loading readiness. Good tiles can still arrive damaged if the packaging fails.

One issue importers often underestimate: shade variation.

Tiles are produced in kiln batches, and slight variations between production runs can happen. The real problem starts when different shade lots are mixed into the same shipment without proper sorting.

Imagine ordering 1,800–2,000 m² for a restaurant, hotel, or residential project and discovering after installation that part of the floor is noticeably warmer or darker.

That's why sampling should be spread across multiple pallets and carton locations, rather than checking only the easiest boxes near the warehouse entrance.

For larger orders, a defined sampling plan such as AQL can also help establish how many units should be randomly inspected and how defects will be classified before inspection begins.

A practical tip for China importers:
Before paying the final balance, agree with your supplier in writing on:

• Approved shade/sample
• Dimensions and tolerances
• Water-absorption requirement
• Surface/appearance criteria
• Applicable test standards
• Packaging requirements
• What happens if inspection fails

The cheapest time to discover a tile problem is while the goods are still at the factory.

For anyone importing tiles from Foshan, Zibo, Quanzhou, or other manufacturing areas in China: what QC issue has caused you the biggest headache — shade variation, warpage, breakage, sizing, or something else?

Everything sounds normal—but this is also one of the most important moments in an import order.

Before releasing the final payment, consider checking:

✓ Is the full quantity actually finished?
✓ Does the product match the approved specifications?
✓ Are there major or critical defects?
✓ Do the packaging, labels, and barcodes match requirements?
✓ Have basic function and performance checks been completed?

Once the balance is paid and the goods leave the factory, your leverage to correct problems can become much smaller.

Inspect first. Decide based on evidence. Then ship.

Importers: Do you normally inspect before paying the final balance, or only before shipment?

Curious to hear how others handle this with their suppliers.

Finding a reliable supplier is important.

But here's something that's easy to forget:

A good supplier doesn't guarantee every production run will be good.

Even factories you've worked with before can have problems:

• Raw materials get changed
• Production gets rushed
• New workers join the line
• Packaging gets mixed up
• Specifications are misunderstood
• Subcontractors get involved

That's why supplier verification and product inspection solve two different problems.

Supplier verification asks:
“Can this factory reliably make my product?”

Pre-shipment inspection asks:
“Did this production run actually meet my requirements?”

Trust your suppliers—but keep your quality standards measurable and consistent.

Importers: Do you still inspect shipments from suppliers you've worked with for years, or only new suppliers?

One useful question to ask a new supplier:

“Are you okay with an independent inspection before shipment?”

The answer—and sometimes the reaction—can tell you a lot.

A professional supplier will usually want to understand your inspection standard, product specifications, and acceptance criteria.

Be more cautious if they:

• Strongly discourage independent inspection
• Say inspection is “unnecessary” because they have their own QC
• Won't provide access to finished goods
• Pressure you to release the balance payment before verification

Of course, being open to inspection doesn't automatically make a supplier reliable.

But transparency is a good place to start.

Importers: Have you ever had a supplier push back when you requested a third-party inspection? How did you handle it?

Your supplier sends you 20 photos.

Everything looks good. Products are neatly arranged, cartons are ready, and the factory says:

“Quality is good. Ready to ship.”

Would you approve the shipment?

Photos can be useful—but they don't tell you:

• How many defective units are in the batch
• Whether measurements meet your specifications
• Whether the product actually functions correctly
• Whether quantities and accessories are complete
• Whether labels, barcodes, and packaging are correct
• Whether the photos represent the actual production lot

Trust is important when working with suppliers.

Verification is what protects that trust.

Before releasing the balance payment or approving shipment, make sure you have enough information to make the decision confidently.

Importers: Would you ship based on supplier photos alone, or would you want an independent inspection first?

A perfect sample is a good sign—but it doesn't guarantee that 1,000 units will come out the same way.

This is something new importers sometimes overlook.

A supplier may carefully prepare a few samples, while mass production introduces different risks:

• Different raw materials or components
• Color or size variation between batches
• Rushed workmanship
• Packaging mistakes
• Defects that weren't present in the sample

That's why a good sample should be the starting point for your quality standard, not the end of your verification.

Keep the approved sample, document the specifications, and make sure the finished production is checked against them before shipment.

For experienced importers:
Have you ever received a great sample but disappointing mass production?

What happened?

A perfect sample can give you confidence.

But it doesn't guarantee that 1,000 units of bulk production will look the same.

During mass production, things can change:

• Raw materials may come from a different batch
• Colors or finishes may vary
• Workers and production lines may change
• Measurements can slowly drift from specifications
• Components can be substituted
• Workmanship can become inconsistent when production is rushed

That's why approving the sample should be the starting point for quality control—not the final step.

Keep an approved sample and clear specifications as your reference, then compare the finished production against them before shipment.

For experienced importers: Have you ever received a great sample but disappointing bulk production?

What changed?

A polished Alibaba storefront can make a supplier look trustworthy—but it doesn't tell the whole story.

Some of the best manufacturers have simple listings, while some impressive-looking profiles may still fall short when it comes to production quality or consistency.

Before placing an order, consider looking beyond the storefront:

• Can they answer detailed technical questions about the product?
• Do they provide clear and consistent communication?
• Are product specifications and materials well documented?
• Can they share recent production photos or videos?
• Are they open to independent factory audits or pre-shipment inspections?

Supplier verification isn't about finding a "perfect" supplier—it's about reducing risk before your money is on the line.

What's one question you always ask a new supplier before placing your first order?

Or, if you've been importing for a while, what's a lesson you learned the hard way?

Let's share practical experiences that help everyone source with more confidence.

Most importers focus on the product itself—but packaging is often where costly mistakes happen.

A few examples:

- Wrong carton markings
- Incorrect product labels or barcodes
- Oversized cartons that increase shipping costs
- Weak packaging that leads to damaged goods in transit
- Missing manuals or compliance labels

These issues might seem minor at the factory, but they can result in shipment delays, additional fees, or unhappy customers once the products arrive.

Before your next shipment leaves China, ask yourself:

Have I checked the packaging as carefully as the product itself?

What's the most expensive packaging or labeling mistake you've encountered when importing from China? Share your experience so others can learn from it.

This style tends to perform well on Reddit because it starts with a relatable problem, provides practical value, and ends with an open-ended question that encourages community discussion rather than self-promotion.

Every experienced importer has that "I wish someone had told me this sooner" moment.

Maybe it was:

• Choosing the wrong supplier.
• Receiving products that didn't match the sample.
• Underestimating shipping costs.
• Skipping a quality inspection.
• Not having clear product specifications.

Those lessons can be expensive—but they don't have to be repeated.

If you've imported from China before, what's the one piece of advice you'd give someone placing their first order?

If you're new to importing, what's your biggest concern or question?

Let's build a community where people learn from real experiences and help each other source smarter.

It may sound acceptable—until those defects become customer complaints, returns, negative reviews, or damaged inventory.

The real question is not only how many defects were found, but also:

• What type of defects are they?
• Do they affect safety or function?
• Are they spread across the whole order?
• Can the factory correct them before shipment?

A small defect rate can still create a big problem when the defect is critical.

Importers: what defect rate would make you reject or re-inspect a shipment?

Every experienced importer has a story about the supplier they almost trusted.

Maybe it was:

• Factory photos that turned out to be someone else's.
• A "manufacturer" that couldn't answer basic production questions.
• Prices that were unbelievably low—but so was the quality.
• Certifications that couldn't be verified.
• Great samples followed by inconsistent mass production.

One lesson I've learned is that price is rarely the biggest risk—uncertainty is.

Before placing an order, I usually want answers to questions like:

• Are they really the manufacturer?
• Can they consistently produce at the required quality?
• Do they have experience exporting to my market?
• Are they transparent about production timelines?
• Are they comfortable with independent inspections or factory audits?

Sometimes the answers reveal more than the quotation itself.

Community Discussion

I'd love to hear your experiences:

• What's the biggest supplier red flag you've encountered?
• Have you ever canceled an order because something didn't feel right?
• What's one verification step you'll never skip again?

Whether you're importing for Amazon FBA, wholesale, retail, or manufacturing, your experience could help someone avoid an expensive mistake.

Let's build a community where people share practical sourcing knowledge—not just success stories.