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How to Choose the Right OEM Skincare Manufacturer in China: B2B Due Diligence

Financial and Legal Verification

  • Business license and legal entity status
  • Export/import registration certificates
  • NMPA manufacturing license
  • Environmental impact assessment approval
  • Audited financials (3 years minimum)

Manufacturing Capability Assessment

  • Third-party audit reports: SGS, Bureau Veritas, Intertek, TUV
  • Cleanroom classification certificates (ISO Class 7 or 8)
  • Production equipment inventory and age
  • Capacity verification vs. claims

Quality System Verification

  • Certificate validity: ISO 22716, US GMPC, ISO 13485
  • Quality manual and SOP completeness
  • Batch records and deviation handling
  • COA turnaround time and completeness

Red Flags

  • Expired certificates or scope mismatch
  • Claims exceeding verified capacity
  • Reluctance to provide references or tours
  • Unusually low pricing (quality tradeoffs)
  • No experience with your target regulatory markets

Weitai Credentials

ISO 22716:2007, US GMPC, ISO 13485, 80,000m² GMP facility, 110+ NMPA medical device registrations, 10,000+ formulation library, 80+ R&D professionals.