清远地区二号铜58000-58400马达铜56900-57200黄杂铜39750-40050变压器铜58200-58400锡口铜55900-56100破碎杂线铜米57900-58200紫铜砖57300-57500干净镀锡铜网58400-58600铜铝水箱35050-355501#光亮铜线62800-63000
废钢价格