QSn6.5-0.1锡青铜棒,QSn4-0.3锡青铜棒,C5
高硬度C5240磷铜棒,电子..
T1紫铜棒 T2紫铜棒 ..
QSn6.5-0.1锡青铜棒..
H61黄铜棒 C3604黄铜..
T2紫铜棒 C1100紫铜..
H59黄铜棒 C3604黄..