2a12h112c中厚铝板10/12/15/20/25/30/35/40/45/50/55/60/65零切

现货供应汽车用钢HC340LA冷轧板

5052-H38铝板4040C Al99铝排7A04T6铝合金2A12H112 AL6061-T6铝棒