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Certification of Patents

JD Patents

All of JD's technical skills are patented and provide the best service.

  • ISO 9001 JDE
    ISO 9001 JDE
  • ISO 14001 JDE
    ISO 14001 JDE
  • ISO 9001 JDE
    ISO 9001 JDE
  • ISO 14001 JDE
    ISO 14001 JDE
  • ISO 9001 JDE
    ISO 9001 JDE
  • ISO 14001 JDE
    ISO 14001 JDE
  • ISO 9001 JDI
    ISO 9001 JDI
  • ISO 14001 JDI
    ISO 14001 JDI
  • OHSAS 18001 JDI
    OHSAS 18001 JDI