Tianjin Jinggong Petroleum pipe fitting co., Ltd

Tianjin Jinggong Petroleum pipe fitting co., Ltd mainly produces Petroleum tubing and casing coupling. We have 10 modes of tubing coupling and 37 modes of casing coupling, which have 6 steel levels. Main kinds of thread are long round thread casing(LC), short round thread casing(STC) and buttress thread casing(BC). Special-bevel couplings have non-upset tubing(NU) and extend-upset tubing EU. NU has a mode of special –clearance couplings. EU has two modes of special –clearance couplings.



couplings, tubing couplings, casing couplings, extend-upset tubing thread, non-upset tubing couplings, buttress thread casing, long round thread casing, short round thread casing