Rubber Hose, Power Tongs, Drilling Rig Accessories manufacturer / supplier in China, offering API Drill Collar DC Type Trolley Linkage Adapter and Lifter for Holding and Lifting, API Spec 8c Wellhead Tool DC Type Drill Collar Dolly Connecting Rod Adapter/Lifter, API Drill Collar DC-Type Dolly Link Adapter and Raiser for Holding and Hoisting and so on.