Resources
China Company Verification Resources
Everything you need to verify Chinese companies, validate suppliers, and perform due diligence — guides, blog posts, glossary, and developer tools.
Guides
Step-by-step guides for verifying Chinese companies and suppliers.
How to Check a Chinese Company
Complete 5-step verification guide for Chinese suppliers and partners.
Business License Verification
How to read and validate a Chinese business license field by field.
USCC Check & Validation
Verify the 18-digit Unified Social Credit Code of any Chinese company.
Chinese Business Documents
Every Chinese corporate document explained for due diligence.
QINCheck vs Manual Verification
Compare automated vs manual China company due diligence.
Blog
Insights on China company verification, supply chain risk, and USCC research.
How Many Companies in China?
SAMR statistics on 83M+ registered Chinese companies.
Trading Company vs Factory
How to tell if your Chinese supplier is a real factory.
Top 10 Red Flags
Warning signs when verifying Chinese companies.
What Is a USCC?
Complete guide to the Unified Social Credit Code.
Chinese Company Types
LLC, WFOE, JV, SOE and more explained.
Verification Checklist
10-point supplier verification checklist.
SAMR Registration Guide
How company registration works in China.
Due Diligence Before Payment
Verify before wiring funds to China.
Reference
Terminology and frequently asked questions.
API & Integrations
Connect your systems to QINCheck company verification data.