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Quality Assurance

  • Doo Trademark Registration Certificate

  • ISO9001 system certification

  • ROHS certification

  • Computer software copyright registration certificate

  • Doo Automatic License Plate Recognition Parking Charge Management Software

  • Doau Smart Card Management Cloud Platform

  • Doo Smart Consumer Management Software

  • DAO Intelligent Attendance Management Software

  • Parking lot management system type inspection report

  • Smart elevator controller type inspection report

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