Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Advanced Borehole Surveying Tools Intelligent Downhole Navigation Sensors Gyroscopic Well Trajectory Loggers, High-Stability Fiber Optic Inclinometers Wireless Wellbore Mapping Systems North-Finding Gyro Survey Instruments, Geophysical Survey Equipment Aquifer Detection System Earth Resistivity Meter and so on.