Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Cased Hole Gyro Survey Instrument Wellbore Surveying with Gyro Tools Measure Azimuth and Inclination to Map Borehole Trajectories in Magnetic Borehole, Deep Target IP Survey Equipment Multi-Channel Geophysical Logger Automatic Electrode Switching System, IP/Resistivity Integrated System Transient Electromagnetic Survey Tool Spectral Induced Polarization Receiver and so on.