Shandong Dongbao Steel Pipe Co., Ltd

Oil Well Casing 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC

Oil Casing Pipe 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC

Oil Tubing Pup Joint 1. Size: 1.9 to **1/2 ; 2. End Type: NU

Oil Casing Coupling 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC

API 5CT Oil Casing Pipe 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC

API *1AX Tubing Pump The tubing pump has larger bore than a rod pump and produces a greater vo

API 5CT Oil Tubing 1. Size: 1.9 to **1/2 ; 2. End Type: NU

Seamless Casing Pipe 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC

Oil Well Tubing 1. Size: 1.9 to **1/2 ; 2. End Type: NU

Pup Joint 1. Size: 1.9 to **1/2 ; 2. End Type: NU

API Seamless Tubing Coupling 1) Standard: API 5CT. 2) Steel Grade: J*5, K*5, N***1, N**-Q, L***9Cr/*3Cr

Oil Tubing Coupling 1) Standard: API 5CT. 2) Steel Grade: J*5, K*5, N***1, N**-Q, L***9Cr/*3Cr, C*5, P*

Seamless Oil Tubing 1. Size: 1.9 to **1/2 ; 2. End Type: NU

Oil Tubing 1. Size: 1.9 to **1/2 ; 2. End Type: NU, EU 3.Steel Grade: J*5, K*5, N***1, N**-Q, L***9

OCTG 1. Size: **1/2&#*9;&#*9;**0&#*9;&#*9; 2. End Type: BTC LTC STC