Shenlong Petroleum Drillingtools Co., ltd

Shenlong petroleum drilling tools co., ltd. a sino-us joint enterprise, is one of the leading manufactures of drilling tools in mainland china. we manage our production line and inspection process according to the requirement of api.\r\n\r\nour main products include slick drill collar, spiral drill collar, non-magnetic drill collar, heavy weight drill pipe, stabilizer, square and hexagonal kelly, drill stem subs. our products have been widely used by many important oilfields. it is proved that there is no gluing or fracture after 600- hour conscecutive drilling.