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Guangzhou GRG Metrology &Test co., Ltd is the professional institute which is specialized in instrument calibration, Lease and maintenance, testing and certification, consulting and training of measuring technique. The co***ny was engaged in testing and maintenance for metrology from 1964.GRGT is MII electronic metering station 602 and calibration lab of Guangdong defense metering station 5104, also the appointed unit for value of new source and metering unit in south China of the General Staff Department C |
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