?????? 铜棒产品有：t2紫铜棒、tu2无氧铜管、tu1无氧铜棒、tp2磷铜管、h62黄铜棒、h65黄铜棒、h68黄铜棒、h70黄铜棒、h80黄铜棒、h90黄铜棒、h96黄铜棒、HSn62-1锡黄铜棒、HPb59-1铅黄铜棒、HPb60-2铅黄铜棒、63-3铅黄铜棒、QSi3-1硅青铜棒、QSi1-3硅青铜棒、QSi3.5-3-1.5硅青铜棒、QSn6.5-0.1锡青铜棒、QSn4-3锡青铜棒
