T2紫铜管、T3紫铜管、T2紫铜盘管、C1100紫铜管
7075超硬铝合金棒、707..
T2紫铜线、T3/T6紫铜线..
C2680黄铜带性能、H65..
美标7075/T6铝合金板、..
H62环保黄铜排、H65黄铜..
T2紫铜管、T3紫铜管、T2..