HENAN SHENLONG PETROLEUM DRILLING TOOLS CO., LTD

We are one of the leading manufacturers of high quality non mag tool such as non-mag drill collar, non-mag flex collar, non-mag stabilizer and non-mag subs. We have passed API Q1,7-1,NS-1, and we are the qualified supplier to Top oilfield companies. We control the entire drilling tool production line, from steelmaking, forging, machining to product testing.