Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Multi Sensor Logging Downhole Tools Wellbore Water Saturation Logging for Mineral Exploration Logging and Groundwater Investigation, Gd-E1000 2000 Meters Under Water Sedimentation Mapping Echo Sounder, Tri-Axis Accelerometer Tool Downhole Azimuth Sensor O-Ring Sealed Probe and so on.