主营:合结钢;碳结钢;齿轮钢;Q235圆钢;16M圆钢
聊城市铁牛金属材料有限公司产品:20CrMnTiH(H1-H5),30CrMnTi,35CrMoA,42CrMoA40Cr,45#..27SiMn,40Mn2,Gr15SAE8620H,20CrMnM