Yanshan Xian Yonghui Steel Pipe Co., Ltd. [China]

OCTG mainly used for oil, gas well drilling and oil and gas transportation. It includes oil drilling pipe, oil casing.

the OCTG used in the oil, gas, and connect drill bit and power transmissio.the specification include the  API 5CT,J55,20#,45#,P110,j55.

N80 9-5/8" Petroleum Casing Seamless Pipes