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Diamond Drill Bits, Core Barrel Tools, Drilling Rig, China Drill Bits Manufacturer coredrillchina.com

China diamond drill bits, drilling rig manufacturer and supplier. Our main products are drilling rig, diamond core bits (synthetic natural), reaming shells PDC bits, core barrels and accessories, overshot, drill rods and other drilling tools, which are widely used in geological exploration dam mining water well drilling and Traffic engineering industry etc.