H62黄铜棒,H63黄铜棒,H65黄铜棒
C2300黄铜棒,C2400..
C2680黄铜棒,C2600..
H70黄铜棒,H80黄铜棒,..
H65黄铜棒,H68黄铜棒,..
H62黄铜棒,H63黄铜棒,..
C5210磷铜带,C5191..