API 5CT 9-5/8 LC Bc Sc Casing and Tubing Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT 2-7/8 Nu Pup Joint with Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API Casing Pipe 13-3/8 Centralizer for Oil Drilling Equipment
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.High Quality API 5CT N80 Seamless Steel Oil Well Pipes Hot Rolled Casing Tubing9-5/8
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API Sucker Rod 7/8" X 30 FT Grade D AISI 4142 Fs/T Coupling
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.Tubing Coupling1.9 Nu N80 for Oilgas Pipe
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.Nipple or Collar2-3/8 Nu EU for Oil Pipe
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.High and Low Pressure Rubber Hose Connection
Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd.API 5CT Oil Pipe Coupling EU Nu K55 J55 L80 N80 Coupling2-3/8
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 2 3/8" to 4 1/2" J55 L80 N80 P110 Tubing Coupling
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.