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 integrated exploration enterprise.
     Our products are widely used in petroleum exploration, coal mining  exploration, road and bridge construction, dam and tunnel construction, heavy machinery vibration detection, earthquake  monitoring, etc. It has been used by all oil fields in China at present and export to Europe, America, Africa, Southeast Asia and other countries and regions with  the annual production capacity of 500 000 geophones, 50000 pieces telemetry cable.
We will offer our latest technology, excellent products, reasonable price, and perfect service to provide the firm support for your business.