X-over coupling

API 5CT 10th/5B 16th 88.9*6.45/73.02*8.64/60.30*6.45 P110 Tubing Casing EUE/NUE/VAM TOP Coupling Connection  

1.The introduce of Henan Dongfanglong Machine Manufucture co.,ltd

     Henan Dongfangong is currently an emerging marketing enterprise based on OCTG casing. Located in Beijing, near Tianjin port, the largest port in north of China.    With API 5CT oil casing and API 5L oil line pipe,as the main products,with production and sales integration, professional domestic and foreign trade operations, strength financial , rich experience.  

     Henan Dongfanglong Machine Manufacture Co.,Ltd was founded in 1999, and is located in the middle of China, in the East Industrial Area of Puyang, Henan. We have been engaged professionally in producing and exporting API couplings, pup joints and crossovers for more than 13 years. We have gained the ISO 9001 certificate, API 5CT , API - 7 and API 5DP certificates. With the biggest workshop, the most advanced production line, we can manufacture 1.6 million pieces of all kinds of API couplings per year. So the company has the capability that supply the high quality and competitive products to the buyers. In China, it’s the regular suppliers of Petrochina and Sinopec. The company is also selling its products is to other country besides China, such as Venezuela, India, Kazakhstan, Indonesia and so on. We have established and are keeping a excellent cooperation with our clients.

2.The detail of tubing coupling

        All our products are produced and processed according to, with the materials of steel grade including J55,K55,N80,N80-1, N80-Q,L80,P110 and so on. The couplings have two types, namely NU(non-upset) and EU(external upset). By nume rically controlled lathe and import molding cutter, the processing of thread can be finished in one time,which ensures its commonality and interchangeability. We have complete testing abilities, adopting a whole set of single testing apparatus of thread,including tape,pitch,tooth depth,profile and so on.Our products have already passed the identification of the Quality Testing and Inspection Centre of Oil Pipe of CNPC(China National Petroleum Corperation).

API 5CT 10th/5B 16th 88.9*6.45/73.02*8.64/60.30*6.45 P110 Tubing Casing EUE/NUE/VAM TOP Coupling Connection