Cangzhou Mairui Steel Pipe CO., LTD

Seamless steel pipe (or we can name it as seamless steel tube) is a kind of hollow section which is made without any peripheral joints or weldings.

Oil casing is a large diameter tubing, have fixed oil and natural gas oil well hole wall or the role.

Line pipe is out of the ground oil, air, water, through the pipeline ductules into the oil and gas industry enterprise.

Our factory manufacture Casing Pipe&Tubing Pipe and Coupling, which is mainly used at the bottom of the oil, gas transportation to the ground.

Seamless steel pipe (or we can name it as seamless steel tube) is a kind of hollow section which is made without any peripheral joints or weldings.

we are a professional manufacturer of seamless steel pipe, API steel pipe, welded steel pipe and square pipes. we can supply the product with good qua

we are a professional manufacturer of seamless steel pipes, and the steel pipes can be supplied according to GB, ASTM, API, DIN, JIS standards.

Hebei Borun Steel Trade CO., LTD, which is a professional manufacturer & exporter of seamless steel pipe, and the steel pipes can be supplied accordin

We are a professional manufacturer of welded steel pipes, providing products with good quality at a competitive price.

1.OD: 325-1420mm (14 -60 ) 2.Thickness: 8-60mm 3.Length: 3-13m 4.Material:Q235A, Q235B, Q345, ASTM A53/106, API 5L GR.A/B, L245