Tianjin Jinggong Petroleum pipe fitting co., Ltd mainly produces tubing and casing coupling. We have 10 modes of coupling 37 coupling, which 6 steel levels. Main kinds thread are long round casing(LC), short casing(STC) buttress casing(BC). Special-bevel couplings non-upset tubing(NU) ...
Telephone:86 - 22 - 88516197
Address:Tianjin Jinnan Economic Development Zone Tianjin Tianjin 300350 China