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    1.   Weihai Grand Exploration Instruments Co., Ltd is located at the golden district of Weihai Hi-tech Development Zone. As the main products of Weihai Grand are the vibration sensors, the speed sensors, the digital geophones, etc. The company is a set of design, production, sales, aftermarket service, technical support, into integra…

      Add:No.455,Shichang Road, Hi-tech Development Zone, Weihai, Shandong, China


      WEIHAI GRAND EXPLORATION INSTRUMENT CO.,LTD Main products are | Vibration sensor | Speedometer | DetectorWait
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