C1100紫铜棒,T2紫铜棒,上海紫铜棒
H65高精铜带,H68高精铜..
C2600黄铜棒,C2680..
H90黄铜棒,H80黄铜棒,..
C1100紫铜棒,T2紫铜棒..
H68黄铜棒,深圳黄铜棒,C..
H62黄铜棒,H65黄铜棒,..