You found a promising supplier on Alibaba, made a great connection on WhatsApp, and now they want a 30% deposit before production starts. Before you wire a single cent, you need to verify the Chinese manufacturer on the other side. Every year, thousands of overseas buyers lose money to shell companies, resellers pretending to be factories, and outright scammers. The good news? A structured China supplier due diligence process takes only a few days and dramatically cuts your risk. This guide walks you through the exact steps experienced importers use to confirm that a manufacturer is real, capable, and trustworthy before payment leaves your account.
1. Check the Business License & National Credit Registry
The single most important document in China is the Business License (营业执照, yíngyè zhízhào). It lists the company’s registered name, unified social credit code, legal representative, registered capital, establishment date, and — critically — its business scope. A legitimate manufacturer’s license will explicitly include production or manufacturing in its scope; a trading company’s license will only list import/export and sales.
- Ask the supplier for a clear photo or PDF of their Business License, then cross-check the unified social credit code on the National Enterprise Credit Information Publicity System (国家企业信用信息公示系统, gsxt.gov.cn). This is the official government database — not an Alibaba profile.
- Confirm the company status is “存续” (active/existing), not “注销” (cancelled), “吊销” (revoked), or “停业” (suspended).
- Check the establishment date — a company registered six months ago offering rock-bottom prices on complex products is a red flag. Aim for at least 3–5 years in business for most categories.
- Review registered capital: a factory claiming heavy-metal stamping, injection molding, or CNC machining should have registered capital in the range of RMB 1–10 million or more, not RMB 100,000.
- Look for administrative penalties, operational anomalies, or court judgments listed on gsxt. Even one “经营异常” (business anomaly) entry warrants a serious conversation.
2. Confirm Years in Business, Scale & Production Capacity
A license tells you the company exists; it does not tell you whether they can actually make your product at your volume. You need to dig into their operational reality.
- Ask for their factory floor photos, production line videos, and equipment list. A real manufacturer can walk you through their workshop on a live video call within hours; a trading company will deflect with excuses.
- Request yearly output figures, employee count, and main product categories. Cross-reference these with what they’ve told you on Alibaba or their website.
- Ask which brands or well-known retailers they currently supply (even under NDA). Established factories usually have recognizable reference clients you can indirectly verify.
- Check whether their production capacity matches your MOQ. A small workshop with 15 workers cannot deliver 50,000 units per month of an assembled electronics product — and over-promising capacity is a classic reseller trap.
- Look at their export history: do they already ship to your market? Suppliers with years of US/EU/Australian experience understand packaging, labeling, and compliance expectations far better than newcomers.
3. Conduct a Factory Audit: On-Site or Live Video
Nothing replaces seeing the operation with your own eyes. If you’re sourcing large or high-risk orders, budget for a third-party on-site factory audit (typically US$200–$400 per audit through firms like SGS, Bureau Veritas, or Intertek). For smaller orders, a structured live video factory tour is a strong middle ground.
- During a video tour, ask them to show the entrance sign, production floor, QC area, warehouse, and finished-goods packaging. Watch for signs of staging: a real factory has messy, active production lines; a fake one often shows a clean showroom or an unrelated workshop.
- Ask them to hold up a newspaper or the current date on a screen during the call — this proves the footage is live, not reused from a previous visit.
- An on-site audit report should cover: legal compliance, building/facility condition, equipment list, production process flow, QC system, employee count, and environmental/health & safety status.
- For regulated products (electronics, toys, medical devices, food contact), require ISO 9001, BSCI, Sedex, or industry-specific certifications and verify the certificate number on the issuing body’s website — fakes are common.
- If the supplier refuses any form of video call or audit at all, treat that as an automatic disqualification, regardless of price.
4. Third-Party Reports, Peer Reputation & Payment Terms
Beyond the factory itself, you should independently triangulate the supplier’s reputation. A short list of checks catches most of the remaining risk.
- Search the company name plus “scam,” “fraud,” “complaints,” “review” on Google, import forums, and B2B communities. Pay special attention to English-language buyer reports.
- On Alibaba, look at Trade Assurance order volume, response rate, on-time delivery rate, and years Gold Supplier — but treat these as signals, not proof. Many resellers game these metrics.
- Check payment method policy: legitimate factories accept T/T wire transfer to their corporate bank account (company name matches the license). They will not insist on Western Union, PayPal to a personal account, or a third-party “agent” account whose name differs from the license.
- Be suspicious of quotes 30–50% below the market average. Chinese manufacturing is efficient, but not magical. A price that seems too good usually means either they plan to substitute cheap materials later, or the company exists to collect deposits and disappear.
- For orders above US$10,000, consider escrow services, irrevocable L/C, or Alibaba Trade Assurance to keep your deposit protected until inspection passes.
Start Your China Sourcing with Confidence
Verifying a Chinese manufacturer is not a one-time formality — it is an ongoing discipline that protects your margin, your brand, and your supply chain. By combining license checks on gsxt.gov.cn, live or third-party factory audits, reference-client verification, and cautious payment terms, you eliminate the vast majority of bad actors before money changes hands. If you want a deeper playbook covering supplier shortlisting, quotation comparison, and quality control, explore our China procurement guides for a complete, field-tested framework built for importers, ecommerce sellers, and brand owners sourcing from China.