主营产品：718模具钢精板,,718H模具钢,,718模具钢,,进口718模具钢,,718材料,,P20模具钢,,NAK80,,S136模具钢,,2316模具钢,,瑞典718模具钢,,2738模具钢,,718模具材料,,SKD61模具钢,,5052铝板,,6061铝