Light thin-walled H steel, in addition to welding, is there any hot rolling?
Is the big Hebei Jinxi, Shandong sunshine, other mills some specifications such as Tangshan Shengda, Anshan Bao steel smelting, etc.
Yes, the 2 largest domestic hot-rolled H steel producers are Laiwu Steel and Maanshan Iron and steel
Domestic H steel production line is about 10, mainly from Germany to introduce production lines.
