C61000铝青铜棒、C17500铍青铜棒、C3604环保黄
C61000铝青铜棒、C14..
C1220磷铜带、C1100..
C61000铝青铜棒、C17..
C2800环保黄铜板、河南W..
陕西W70钨铜棒、C2800..
QMN5锰青铜板、C2801..