2004合金铝棒,2011合金铝棒
C7521锌白铜管,洋白铜/..
QSi3-1硅青铜管,QSi..
纯铜管,T1紫铜盘管,TU1..
2017合金铝棒,2017A..
2024合金铝棒,2117合..
2014合金铝棒,2014A..