Shenlong Petroleum drilling tools Co.,Ltd,a Sino-US joint enterprise,is one of the leading manufactures of high quality drilling tools in mainland China.As a quality-prusuing company,we manage our production line and inspection process according to the requirement of ISO9001 and API.Our 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,amongst others.
Shenlong's products have been widely used among famous China oilfields, for example, Zhongyuan oilfield, Changqing oilfield, Shengli oilfield, Xinjiang oilfield, Daqing oilfield etc. Our products enjoy excellent reputation with good quality, competitive price, prompt delivery time.
Shenlong's products have been proved by many oilfields: there is no thread gluing and no fracture after they drill 600 hours. Our products can last much longer time than any other competitors'.

Owing to our superior quality and excellent service,we have long been enjoying a solid reputation both home and abroad.Here we promise you that your every enquiry will receive our prompt and careful reply!We will prove you that we will be your most trustable supplier of high quality products.
Hope your enquiry all the time!