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  • Dalian City Flow Measurement Detecting Station

  • Meter Manufacture Certificate

  • Instruments and Meters Industry Association Councilman Unit

  • ACT. Professional Association Councilman Unit

  • China Instruments and Meters Academician Member Unit

  • Dalian City High and New Technology Company

  • National Patent Certificate

  • Manufacture Certificate of Measuring Instrument

  • High and New Technology Company certification

  • Certificate of The System of Quality Certification

  • CE Certificate of Certification

  • Manufacture Certificate of Special Equipment