H65黄铜线,高精H70黄铜丝,拉链黄铜扁线
环保T2紫铜带,止水紫铜,无氧紫铜片
厂家供应H65黄铜带C2680黄铜带环保黄铜带
供应T2紫铜棒导电焊接C1100红铜棒
厂家直销C5191磷青铜带,高精C5210磷铜带