Longitudinally welded pipe

Hebei enzan county of steel production and manufacture co. longitudinally welded pipe, tube, longitudinally welded a high frequency welding longitudinally welded pipe, a buried arc longitudinally welded, my company longitudinally welded pipe, and its diameter 350mm - 1420mm, the thick 6mm - 50mm and production material 20 #, 16mn q235b alloy steel and etc longitudinally welded pipe and other types of longitudinally welded pipe longitudinally welded, and the execution of gb t9711.

3 - the highest standard in 2005, our company produced with thick walls longitudinally welded pipe with the mainOil and gas, electricity, heating and chemical industries. our company has many years of production experience, produced longitudinally welded pipe of good quality and reasonable price, welcome your order.