Pipe & Drilling Tools Manufacture Co., Ltd. (PDM) is a petroleum drilling tools manufacturing company with the capacity of drilling tools designing, manufacturing and repairing.We produce all kinds of drilling tools, such as drill pipes, tool joints, upsetting drill pipes, slick drill collars, spiral drill collars, integral heavy weight drill pipes, square or hexagon kellies, non-magnetic drilling tools, lifting subs, etc. At the same time, we own appropriative tubular internal plastic coating production line. With advanced production facility, PDM is one of the few integrative manufacturing companies which can arrange the processes of tool joints, drill pipe upsetting, heat treating, inertial friction welding, hardbanding, and inner plastic coating.PDM has a complete R&D system and a reliable system of quality assurance. It gained API Spec Q1 and ISO 9001 qualifications, and authority to use the API monograms of Spec 7-1 and Spec 5D.