Geophysical Equipment, Underground Water Detector, Well Logging manufacturer / supplier in China, offering Geophysical Equipment Proton Precession Magnetometer for Metal Mining, Seismograph Seismic Survey Equipment for Refraction, Reflection, Masw Underground Exploration, Waterproof Deep Water Well Inspection Camera and Borehole Camera/ Borehole Video CCTV Camera/ Deep Underwater Inspection Camera/ Video Recording Borehole Camera and so on.