Tianjin Denuo Petroleum Tube Co., Ltd.

Tianjin Denuo Petroleum Tube Co., Ltd (DNPT) is a manufacturer and processor of casing pipe and oil tubing. It is established in July 2007, covering a land area of 83000 s.q.meter, building areas of 30000 s.q.meter, one workshops and two store houses.Generally, there is two division of processing, one is threading and coupling, capable of threading STC, LC, BC, with O.D. 139.7-339.7mm. The other is steel heat treatment, with grade J55, K55, N801,N80Q,size 88.9-298mm. We are dedicated to improve the technique and product proformance,try to offer our best service to oilfield.Equipment and facilities are advanced and complete in our plant, such as CNC threading machine, coupling screw-up machine, industry oven, hydrostatic machine (Max pressure 80Mpa),ultrasonic testing machine (KARL DEUTSCH Germany). And in order to assure our clients\' of good quality, we are a little selective with materials like including green pipe, coupling, thread procetor, thread compound etc. In addition, we have well-trained staff to operate the inspection and testing equipment and instrument.Denuo is capable of threading 200000 ton casing, and has 150000 ton seamless pipe heat treated to a higher grade every year.And it has abtained the authority of use the official API Monogram both API Spec 5CT and API Spec 5L, and ISO 9001-2000 certificates early 2009.You are always welcomed to visit our company. DNPT(www.tjdnpt.cn) will never let you down.