1, performance and advantages: the tube end of the rod is used inside and outside the thickening type, the maximum can drill 4500 meters deep, joint thread using phosphating or plating steel processing;

Product use: 2, downhole drilling operations, extended footage;

3, after sale service: can be delivered to the door, tracking service;

4, packing: steel strapping, plate pressing;

5, annual supply: 200 thousand tons.

The main products: API-5CT oil casing, oil tubing, casing and tubing pup joint, Tubes'coupling, Lengthening type oil pipe coupling, Change diameter type tubing coupling, Conversion nipple bottle seamless, change button nipple bottle seamless, oil sleeve buckle, super 13Cr, 28Cr API 5D drill pipe, drill pipe thread protector,API 5L line pipe, alloy pipe, precision cold drawn seamless steel pipe, elbow, pipe tee, flange.