ZQ162/50 Drill Pipe Power Tongs is an ideal type of wellhead tools for petroleum drilling , and it was widely used for making-up and breaking-out in offshore and onshore drilling operations and workover operations.Open-throat design of the ZQ drilling tongs series allows the tongs to trip out of drilling pipe freely with high mobility. The tong is a combination of spinning tong and torque tong. It substitutes cathead, manual tong and rotary rope in making-up and breaking-out. The tongs are designed and manufactured according to API Spec 7K “Drilling and well serving Equipment”.