Last October the first batch of low-alloy channel steel was successfully rolled.

去年10,轧出第一批低合金槽钢。

Channel companies welding stainless steel processing various models, ranging from heterotypic edge angle.I-H-plasma processing.

公司接加工各种型号锈钢槽钢，异型角钢，工字钢，H型离子加工。