Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Small Core Drilling Machine Portable Drilling Rigs 10m to 30m Depth Hole Light Drill Rig, Geophysical Resistivity Tomography System Multi Channels 2D 3D Resistivity Imaging System Multi Electrodes Resistivity Mapping System for Mineral Investigation, Deep Water Well Camera Borehole Inspection Camera Underwater Borewell Video Camera Down Hole Examination Camera Well Inspection Camera Underground Water Camera and so on.