drill collar,drill pipe,stabilizer,Kelly,drill stem subs

Henan Shenlong petroleum drillingtools Co.,Ltd,a Sino-US joint enterprise,is one of the leading companies of high quality drilling tools in mainland China.As a quality-pursuing company,we manage our production line and inspection process according to the relevant requirement of ISO9001 and API.
Our main products include slick drill collar,spiral drill collar,non-magnetic drill collar,Heavy weight drill pipe,stabilizer,Kelly,drill stem subs amongst others.Owing to our superior quality and excellent service,we have long been enjoying a solid reputation both home and abroad.
We would like to promise you that your every enquiry will receive our prompt and careful reply!We look forward to the opportunity to cooperate with you all the time!