H70黄铜管,H80黄铜管,H90黄铜管
上海铍铜线,广州铍铜线,浙江..
T2紫铜线,C1100紫铜线..
C2600黄铜线,H80黄铜..
H68黄铜线,C2680黄铜..
上海黄铜线,H62黄铜线,H..
2紫铜管,C1100紫铜管,..