(T2紫铜棒)优质T2紫铜板 T2紫铜棒
(CuCrZr铬锆铜)
(ANK20无氧铜棒)
ANK570钨铜板
(QBe2.0铍青铜)优质铍..
紫铜棒 =紫铜板= 紫铜棒
(C17200铍铜)-c17..