api +5ct +coupling
API Tubing, Casing, Drilling, Couplings
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing Coupling& Sucker Rods
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.OCTG Seamless Tubing 3 1/2" 2 7/8" J55 N80 L80 P110 3cr Casing 20 Inch 30 Inch for Production Casing
Zhonghe Steel (Tianjin) Co., Ltd.API 5CT Oil Field Drilling Tubing Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT X-Over Coupling or Crossover 2-7/8 Nu 3-1/2 EU Crossover
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing and Casing Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing and Casing Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing and Casing Coupling Pup Joint Crossover
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing and Casing Coupling 3-1/2 EU Nu for Oil Pipe
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Casing Pup Joint 5-1/2 LC Sc Bc with Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing Coupling Oilfield Downhole Tool
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Tubing and Casing Coupling2-7/8 EU Nu From China
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.Smls Tubing 73mm*7mm, N-80-1, N80-Q R2, R3 Eue, Psl-2 API 5CT
Union Steel Industry Co., Ltd.API 5CT Casing Tubing Oil Gas L80 Seamless Tube for Well Project
Union Steel Industry Co., Ltd.Oilfield L Construction Tubing Pipe OCTG Oil Well Service
Union Steel Industry Co., Ltd.