INTERTRADE RESOURCES LTD was established in 1986 in China,we mainly Imp&Exp in the production of Steel Tubes. Product Introduce: 1)ERW PIPE: The products standard: GB/T9711.2-1999,API Spec 5L/5CT Specification .....

This is Tianjin Coupling Heat Treatment Co.LTD, a company manufactures tubing and casing couplings. Our products range from 2-3/8 to 13-3/8 of J55,K55,L80.N80,C90,T95 and P110 steel grade. We produce short .....

As a professional manufacturer,we are maining engaged in manufacturing of API threaded and coupled casing and tubing, So far we have passed many certifications like API, IS09001, CCS, and so on, Our products .....

As one of the professional exporters of a wide range of oilfield equipment,we can offer the following production at the low price : (1)Seamless or ERW API 5CT Casing:J55, K55, N80, L80, C95, T95,P110 OD: .....