Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Geophysical Resistivity Meters for Groundwater Location Geohydrological Electrical Tomography System for Well Location Before Drilling, Water Well Testing Environmental Resistivity Probes Geophysical Resistivity Meter Electrical Resistivity Tomograph Equipment, Subsurface Resistivity Mapping System Multi Channel Resistivity Meter and so on.