The company has been equipped with state-of-the-art facilities and instruments for production and inspection, such as friction welding, drill pipe upsetting, pipe heat treatment, pipe ultrasonic inspection, tool joint heat treatment, tool joint threading, and material physical and chemical tests. The company adopts internationally advanced techniques to ensure the top quality of its products and high production efficiency. The drill pipes of the company cover all specifications of API standard and grades. In addition, the company also produces from 3-1/2″、4-1/2″、5″、5-1/2″drill pipe.
Copyright (c) 1998 - 2004 TIANSHENG Inc. All Rights Reserved 津ICP备06010463号
