H70黄铜棒^,H68黄铜六角棒-,H65黄铜方棒
C1100紫铜箔,紫铜带镀镍..
紫铜带镀镍,紫铜带镀银,镀锡铜带
H70黄铜六角棒-,H62黄..
C2680黄铜带,全软黄铜带..
H80黄铜带|H65黄铜带厂..
H65黄铜管厂家]H70黄铜..