Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Auto Cable Winding 2000 Meters Borehole Inspection Camera with Keyboard, Fluxgate Uav Aeromagnetic Survey System Magnetic Anomaly Detection Three Component Magnetic Sensor Large Scale Magnetic Exploration for Minerals Oil Gas, Water Level Sensor Electronic Water Level Indicator Deep Well Level Meter and so on.