Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Drilling Mineral Borehole Rock Core Samples Orientation Analyze Tool, 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 and so on.