铜及铜合金材料：品名有紫铜，磷铜，黄铜，白铜，铍铜，钨铜，铬铜（铬锆铜），锡青铜，铝青铜，等合金铜规格有；带材（卷料）；棒材；线材；丝材，板材；型材；锻材；牌号有：C1100 C1020 C2800 C2720 C2700 C2600 C3450 C3710 C3771 C5191 C5210 C5212 C5240 C1700 C1720 C1750 C7541 C7521 C7701 C7351等
