Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Digital Borehole Logging Units Water Quality Monitoring Loggers Slimhole Geophysical Tools, Portable Logging Systems Neutron Porosity Probes Borehole Caliper Measurement Tools, Horizontal Drilling Gyros Multi-Shot Borehole Tools Fiber Optic Gyro Sensors and so on.