Qualifications

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  • API 5DP
    API 5DP
  • ISO 9001  (Wuxi)
    ISO 9001 (Wuxi)
  • ISO 9001  (Xuanhua)
    ISO 9001 (Xuanhua)
  • HARD BANDING CERTIFICATE
    HARD BANDING CERTIFICATE
  • INTERNAL COUATING CERTIFICATE
    INTERNAL COUATING CERTIFICATE
  • QMC CERTIFICATE OF REGISTRATION
    QMC CERTIFICATE OF REGISTRATION