Dong Jin Fitting was established in 1985 as Forged Steel Flange & to provide for the Oil Gas industries, a sector requiring exacting standards both quality of product and service. We have continued seek newest technologies resources since become an industries leader. Finally, we specialize ...

we are from Tianjin, China.very nice to know you company information. Our main business scope is steel products, such as pipes, pipe fittings and flanges, valves so on. We also can supply equipments for oil field, machines welding cutting. have three factories, one located in Hebei Province, ...