供应C1100紫铜管、T2紫铜管、T3紫铜管
供应C17200铍铜带、C1..
供应C5210高磷铜带、C5..
供应C1100紫铜排、T2紫..
供应H62黄铜排、H65黄铜..
供应C1100紫铜条、T2紫..
供应H59黄铜条、H65黄铜..