铜弹簧线,铍铜线,QBe1.9铍铜线
铜线销售H65,原装进口铜线..
黄铜线,H65黄铜线,黄铜螺丝线
铜弹簧线,铍铜线,QBe1...
特硬黄铜线,铍铜线,进口C1..
C17200铍铜线,QBe2..
316不锈钢带,321不锈钢..