⚠️Real Talk:After 6 years in Shenzhen, I’ve seen $2M disappear because someone “trusted their gut.” Your gut lies. This checklist doesn’t.
Listen up. You found a supplier on Alibaba. Great margins. Fast replies. Professional catalog. You’re excited.
Detener.
That dopamine hit you’re feeling? That’s exactly what the trading company scammers want. I’m writing this from a tea house in Futian right now, and I just watched a supplier rep lie through his teeth to an Australian buyer on a video call. Smiled the whole time. Quoted MOQs he knew his factory couldn’t hit.
Here’s your checklist. Not suggestions. Requirements.
Pre-Contact Forensics (Do This Before You Email)
1. Company Registration Cross-Check
⚠️ Go to the National Enterprise Credit Information Publicity System (gsxt.gov.cn). Search the exact company name in Chinese characters.
What you’re hunting for: Registration date (anything under 2 years is a red flag), registered capital (under 1M RMB for a “factory” is suspicious), and actual business scope. If their license says “consulting services” but they’re selling you injection-molded parts, that’s a trading company pretending to be a manufacturer.
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Registration date older than 5 years? Good.
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Registered capital matches their claimed production capacity? Check.
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Business scope includes actual manufacturing terms (生产/制造)? Essential.
2. The Google Maps Factory Hunt
Type their address into Google Maps satellite view. See a factory? Or do you see a 12-story office building?
I can’t tell you how many “factories” operate from floor 8 of a commercial tower. They’re sourcing agents. Nothing wrong with agents, but if they’re lying about being the factory, they’ll lie about quality too. When we do abastecimiento for clients, we physically drive to the location. Takes 45 minutes. Saves $40,000 in bad orders.
3. Reverse Image Search Every Photo
Drag their factory photos into TinEye or Google reverse image search. If that “workshop” shows up on 6 other suppliers’ websites, you’ve got a stock photo operation.
Real factories take bad photos. Fluorescent lighting. Cables everywhere. Workers in the background looking annoyed you’re interrupting production.
First Contact Red Flags (Email/WhatsApp Phase)
4. The Response Time Test
Email them at 3am Shenzhen time. Trading companies outsource to night-shift sales teams in the Philippines. Factories don’t reply until 9am.
Got a reply at 4am with perfect English? That’s a BPO, not a factory floor manager.
5. Request Three Impossible Things
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Ask for a product they don’t show on their website.
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Request a 10-day production lead time on a 45-day product.
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Demand packaging with a logo file you “forgot to attach.”
Legit factories push back. They’ll say “no” or “let me check with production.” Scammers say “yes” to everything because they’re just going to ghost you after the deposit.
6. The Video Call Ambush
⚠️ Demand a live video call walking through the production floor. Not a pre-recorded tour. Live. Tell them you want to see specific areas:
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Area |
What to Look For |
|---|---|
|
Almacenamiento de materia prima |
Rolls of fabric, pallets of plastic pellets, metal sheets—whatever your product needs |
|
Production Line |
Workers actually working, not staged |
|
QC Area |
Testing equipment (not a single desk with a magnifying glass) |
|
Finished Goods Warehouse |
Proof they hold inventory |
If they refuse or keep rescheduling, you’re dealing with a middleman who’ll rent a factory tour from Taobao (yes, that’s a service).
Sample and Payment Phase (Where Money Dies)
7. Never Pay Full Sample Fees Upfront
Samples should cost 2-3x unit price plus shipping. If they quote you $400 for a $12 product sample, they’re fishing. Offer 50% upfront, 50% on delivery. Real factories accept this.
8. The Sample Shipping Test
Who arranges the courier? If they insist on using “their” DHL account, they’re marking up shipping 300%. Legit suppliers let you use your own FedEx/DHL account number.
9. Inspect the Sample Like a Psychopath
Weight it. Measure every dimension. Check material with a fabric GSM tester or a caliper. Compare to their specs. I’ve seen suppliers send 180 GSM fabric samples, then ship 120 GSM in production. That’s a 33% material cost savings for them, a 100% quality disaster for you.
This is exactly why our quality control service includes pre-production material verification. We don’t trust. We test.
10. Request a Factory Audit Report
Ask for their latest BSCI, Sedex, or ISO audit. Check the date (older than 18 months? Outdated). Check the scope (does it cover the product category you’re buying?). Call the auditing company to verify the certificate number.
30% of audit certificates in Shenzhen are Photoshopped. I have a folder of them.
Quotation Voodoo (Follow the Money)
11. Break Down Every Cost Line
⚠️ Demand an itemized quote:
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Unit cost (ex-works)
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Packaging cost per unit
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Mold/tooling fees (if applicable)
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Shipping to port (domestic freight)
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Export documentation fees
If they lump everything into “total cost,” they’re hiding margin in weird places. When I negotiate for clients through our abastecimiento service, I rip quotes into 12 separate line items. You’d be shocked how often “packaging” is marked up 200%.
12. Cross-Check with Competitor Quotes
Get quotes from 5 suppliers. Plot them on a spreadsheet. The one that’s 40% cheaper than everyone else? They’re either:
A) Lying about specs and will ship garbageB) A trading company low-balling to win the deal, then hitting you with “unexpected” costsC) Planning to disappear after your deposit
There’s no secret supplier with 40% better margins. Shenzhen manufacturing is hyper-efficient. Prices cluster within 15% of each other.
13. The MOQ Trap
They quote you an MOQ of 500 units. Beautiful. Then you order, and suddenly “the factory requires 1000 units minimum” or “packaging MOQ is 5000 pieces.”
Get MOQs in writing for every component: product, packaging, custom boxes, printed polybags. Everything.
Payment Terms (The Kill Zone)
14. Never, Ever Do 100% T/T Before Production
Standard is 30% deposit, 70% before shipment. If they demand full payment upfront, they’re either desperate for cash flow (bad) or running a scam (worse).
Only exception: Orders under $1,000 where the risk is manageable.
15. Use Alibaba Trade Assurance or an LC
For orders over $10K, insist on Trade Assurance or a Letter of Credit. Yes, LCs have fees. Know what else has fees? Lawsuits against ghost companies in Guangdong.
If they refuse both and demand direct T/T to their “factory account,” you’re probably wiring money to someone’s personal ICBC account that’ll be drained in 48 hours.
Production Phase (Trust Nothing)
16. Hire Third-Party Inspection
⚠️ This isn’t optional. You must have boots on the ground during production. Our quality control service does:
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Pre-production inspection (materials match samples?)
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During production inspection (at 50% completion)
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Pre-shipment inspection (100% complete, before they seal containers)
Last month we caught a supplier swapping ABS plastic for cheaper PP on a 5,000-unit order. Client would’ve lost $23,000. Inspection cost $350.
17. Demand Production Photos Weekly
Not the same photo from week 1. Fresh photos with a newspaper showing the date (old-school, but works). If they balk, they’re either not producing yet or producing for someone else first.
18. Verify Factory Address on Shipping Docs
When you get the packing list and commercial invoice, check the “shipper” address. Does it match the factory you visited? Or is it a random warehouse in Yiwu?
Trading companies get sloppy here. Documents reveal the real source.
Shipping Phase (Final Scams)
19. Check Container Seal Numbers
Get the container number and seal number from your freight forwarder. Cross-check with the VGM (Verified Gross Mass) certificate. If the weight is 40% less than expected, they didn’t load your full order.
Nuestro reenvasado service often catches this—when we strip factory packaging and consolidate shipments, we weigh everything. You’d be surprised how often “1000 units” becomes 750 units.
20. The Post-Delivery Audit
Order arrives. You’re relieved. Don’t be.
Do a full AQL 2.5 inspection on the shipment. Random sampling. If defect rate exceeds 4%, you have ammunition for chargebacks or negotiations on the next order.
Most suppliers relax quality after the first “successful” shipment. They’re testing you.
The Harsh Truth
“In Shenzhen, relationships matter more than contracts. But relationships without verification are just expensive friendships.”
I’ve built guanxi with 40+ factories over six years. You know what made those relationships work? Paranoia backed by data.
The suppliers I trust are the ones who passed this checklist. The ones who welcomed inspections. Who showed me their cost breakdowns without flinching. Who said “no” when I asked for impossible timelines.
Your job isn’t to find a supplier. It’s to find a partner who won’t screw you the moment margins get tight.
Cómo lo hacemos realmente
Nuestro abastecimiento service runs every supplier through this checklist plus 30 additional verification steps. We handle the quality control at each production phase. We manage logística to prevent shipping scams. And when you need to consolidate multiple suppliers, our reenvasado service catches weight discrepancies before containers leave China.
We’re not here to make you feel good about your supplier choices. We’re here to make sure you don’t lose money on preventable disasters.
Go forth. Be paranoid. Trust the process.
⚠️