The device is a specialized tool for clamping drill pipe in mouse when making up and breaking out drill pipe in drilling operation .The most obvious feature of it is auto-adjustble clamping force .There is no need to pull spinning rope ,if match with Kelly spinner to connect ...
Dongying Lake Petroleum Technology co.,ltd [Mechanical Parts & Fabrication Services] [Forging] [2018-05-25 14:25:39 ]