供应C5210磷铜带、铍青铜板、C2680黄铜板
供应C1720铍铜带、C51..
供应C1200磷铜带、C12..
供应C5210磷铜带、铍青铜..
H68黄铜板,C2680黄铜..
H65黄铜板,C2680黄铜..
C2680黄铜板,C2770..