C1100环保紫铜带T2进口紫铜带
C5210 C5191环保弹..
C17200 C17000铍..
C1100/T2红铜线/紫铜线
C2800 H62黄铜带/青..
C5191、C5210高精磷铜带
H65黄铜棒H62进口环保黄铜棒