优质弹簧线C5191...

H59/62黄铜板耐...

C5191磷铜棒C5...

国标铍铜棒铍青铜棒铍...

C7701白铜带白铜...

T2紫铜管紫铜盘管空...

藏银首饰用白铜线0....

白铜板高镍白铜板C7...

T2紫铜板高纯度紫铜...

H62黄铜棒黄铜六角...

C1100 C102...

C18150碰点焊电...

导电电极高精紫铜线 ...

导电电极高精精密紫铜...

高韧弹性高精精密C5...

慢走丝用高韧黄铜线 ...

模具用高精精密C17...

C1100 C102...

T1 T2导电电极高...