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How to Verify a Chinese OEM Manufacturer: Complete Due Diligence Guide 2026
Complete due diligence guide for verifying Chinese OEM trailer manufacturers. From manufacturer exporting 30,000+ units annually to 40+ countries.
Verifying a Chinese OEM manufacturer before ordering is essential risk management. As a manufacturer exporting over 30,000 units annually to 40+ countries, we share the due diligence process we recommend to all buyers.
1. Legal Verification
Business License
- Registered company name
- Business scope includes manufacturing
- Registration date and history
Verification Tools
- National Enterprise Credit Information System
- Local industrial and commercial bureau records
2. Factory Verification
Physical Verification
- Factory address matches registration
- Production line exists
- Equipment inventory
- Worker count
Video Verification
- Live video tour
- Production process video
- Current orders visible
3. Production Capability
Metrics
- Annual production volume
- Monthly output
- Order backlog
- Capacity utilization
Evidence
- Production schedule
- Shipping records
- Customer list
4. Financial Stability
- Registered capital
- Years of operation
- Bank references
- Credit reports
5. Technical Capability
- Engineering team size
- Design software capability
- Certifications held
- R&D investment
6. Component Traceability
- Axle serial numbers
- Steel mill certificates
- Component purchase records
7. Third-Party Validation
- Alibaba verification
- Made-in-China gold supplier status
- Industry association membership
8. Conclusion
Proper due diligence prevents costly mistakes. With 30,000+ unit annual production and full documentation transparency, we welcome complete verification by any buyer.
