C5210 C5191环保弹簧磷铜线
C5210锡磷青铜带/磷铜带..
C2800环保黄铜带/青铜带..
H62黄铜线H65黄铜线/青铜线
C3604易切削黄铜棒
HPB59-1铅黄铜棒
C3601BD环保黄铜棒/青铜棒