Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Cheap Geo Resistivity Meter Terrameter for Electrical Resistivity Imaging (ERT) in Water and Mineral Exploration and Exploitation, Deep Borehole Non-Attached Well Seismic Survey Geophone, Underwater Structural Integrity Camera 15MPa Pressure Resistant Camera 180 Degree Tilt Borehole Probe and so on.