Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Vibration Measurement Seismograph Dynamic Compaction Vibration Pile Driving Vibration Heavy Machine Vibration Long Time Continuous Monitoring Equipment, Resistivity Tomography Meter Geophysical Electrical Resistivity Imaging Geotechnical Ert Testing Equipment, Dipper-Temp Temperature Meter Water Level Temperature Meter Water Temperature and Level Meters and so on.