Daoming Optics and Chemical Co.,Ltd.

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Quality Assurance Contract

  • Blockchain traceability anti-counterfeiting technology
  • Professional technical support
  • DM reviews and issues electronic warranty certificates
  • The electronic quality assurance system provides "e-identification of authenticity"
  • Provide anti-counterfeiting [quality assurance checklist] and [long-term warranty contract] for the owner
  • Query of Traffic Safety Sign Quality Assurance List
  • Traffic Safety Sign Warranty Contract Query