C1221紫铜板耐高温环保紫铜板高纯度紫铜
C1100冷轧紫铜板半硬态紫铜板
T3紫铜板高弹性磷铜片T3紫..
T2紫铜板镀锡紫铜板高精紫铜板
C1020紫铜板 紫铜拉丝板..
C1221紫铜板耐高温环保紫..
C1220紫铜板超薄导电紫铜..