Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Geophysical Resistivity Subsurface Apparent Resistivity Undergroudn Water Investigation Instrument, Gdy-2gw North Seeking Gyro Inclinometer Borehole Inclinometer Digital Inclionometer Borehole Deviation Instrument Gyro Deviation Survey Downhole Survey, 3D Geotechnical Optical Televiewer Acoustic Borehole Televiewer Borehole Survey Camera and Camera Inside Borewell Well Logging Inspection Camera and so on.