T2紫铜线,C1100紫铜线,浙江紫铜线
H59黄铜棒,HPb59-1..
C2600黄铜棒,C2680..
H68黄铜板,C2680黄铜..
上海铍铜线,广州铍铜线,浙江..
T2紫铜线,C1100紫铜线..