Our Company, Tianjin Zhongkuang International Trade Co.,Ltd located in Tianjin city,China. We are exclusive agent of Hebei Yixin Petroleum pipe Co.,Ltd,which is a professional manufacturer of OCTG pipes,covering nearly 80,000 square meters,located in Hebei province in China.Our Hebei Yixin mill have annual production capacity can reach 150, 000 tons,the product specifications range from 2-3/8" to 13-3/8". Meanwhile we are sales agent of Tianjin Pipe(Group)Coperation -TPCO,one of largest seamless steel pipe manufacturer in China, our TPCO mill has annual production capacity of 3,500,000 tons seamless steel pipes,the product specifications rang from 2-3/8" to 20". We can process API oil casing pipes and couplings LTC, STC, BTC thread types, and premium connections, steel grade mainly include H40, J55, K55, N80, L80, C90, T95, P110, Q125 and HCP110. Our products can all meet API-SPEC 5CT standard. Our mill has strong technological forces. We have employed many senior engineers, technicians and top-class management personnel, and provided a collection of service ranging from designing, developing ,processing to training, and established a complete system of quality control system, so as to supply the products which can satisfy our customers. Our mill has passed the attentions of the American Petroleum Institute(API) and IS09000-2008,and joined CNPC Energy Ahead(the code is BS11701080117) and CNOOC E-Procurement net The settlement is very quick and convenient. We have top-class mechanical equipment mid digital control processing procedure; By adopting scientific process, the parameters of the flaw detection and the hydrostatic test can be shown automatically and the record can be typed randomly; The equipment can remove rust, paint, measure, make jet printing and mark automatically; With advanced detecting and testing system ,our product are produced strictly according to API standard and strictly based on the internal testing standards. The pass rate of our products reaches 100%.