T1紫铜管,T2紫铜管,T3紫铜管,C1100紫铜管,C12
5554铝合金板,5051铝..
3002铝合金管,4343铝..
T1紫铜管,T2紫铜管,T3..
H85黄铜管,H62黄铜管H..
3207铝合金带,3107铝..
5456铝合金板,5005铝..