US Standard H-beam steel column, Tangshan galvanized channel steel, steel structure steel profile, I-beam steel column, Q235BH steel
Low-alloy I-beam H-beam channel hot-rolled shape manufacturer steel structure load-bearing beam bridge steel column
美標價格萊鋼鍍鋅槽鋼h型鋼工字鋼焊接鋼樑熱軋鋼鍍鋅管工程
$ 2.10
Sold 10
$ 1.80
Sold 7
$ 2.00
Sold 1
