Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Multi Channels Resistivity Tomograph 2D 3D Resistivity Imaging System Induced Polarization 2D IP Imaging System Multi Channels Electrodes Ert IP Imaging Tools, Large Area 10kw High Power Induced Polarization Transmitter and IP Receiver System, Mining Exploration Logging Winch Rotary Encoder Logging Winch Automatic Depth Measurement Winch Slip Ring Geophysical Winch and so on.