Drilling Equipment, Drilling Accessories, Marine Equipment manufacturer / supplier in China, offering Beadrill 100m Crawler Moving Multi-Functional Water Well Drilling Rig for Sales, 5kv Motor Surge Tester for Upto 2500AMPS Rated Motors/Generators Surge Test Purpose, API Tricone Drill Bit S Series Elastomer Sealed Journal Bearing for Oilfield and Geothermal and so on.