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

去年10月,成功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.

公司焊接加各种号不锈钢槽钢，不角钢，字钢，H子加。