Nipple Machining
American Petroleum Institute (API): NU, EU, STC, LC, BC, various premium connection typesJFE Steel Corporation (Japan): JFELION, JFEBEAR, FOX
Baoshan Iron & Steel Co., Ltd.: BGT1, BGC, BGT2 (BGT3), BG-FJ, BG-FJU, TZ-BC, BT-FJ
Tianjin Pipe Corporation (TPCO): TP-CQ, TP-G2, TP-TS, TP-QR, TP-FJ, TP-JC, TP-BC, TP-G2 HP, TP-NF
Jiangsu Changbao Steel Tube Co., Ltd.: CBS3
Hengyang Valin Steel Tube Co., Ltd.: HSQR, HSM-2, HSG3
