HPb59-1黄铜棒(热冲)
C61300铝青铜棒、C64200铝青铜棒
供应大量TU1无氧铜管
供应大量C3713黄铜方棒
供应大量C3560黄铜方棒
供应大量H80黄铜方棒
供应大量HPb59-1黄铜方棒
供应大量H62环保黄铜方棒
供应大量C3604黄铜方棒