Drilling Rigs, Core Bits, Water Well Drilling Rigs manufacturer / supplier in China, offering Jdl-280 Crawler Mounted Mechanical Top Drive Rotary Mineral Reserve Exploration Wireline Core Drilling Machine, Dwt-600 Crawler Fully Hydraulic Diamond Drilling Core/Coring Machine Rig for Geological Investigation/Gold Mining/Mineral Exploration, 400m Portable Crawler Full Hydraulic Rotary Head Diamond Wire Line Mining Exploration Coring Drill Machine/Geotechnical Investigation Core Sampler Drilling Rig and so on.