SUS305 SUS309S SUS310S日本不锈钢耐热钢
H420LAD+Z HR340LAD+Z镀锌板卷
H340LAD+ZF镀锌板卷H380LAD+Z镀锌板
镀锌板卷H220PD+Z镀锌板H260PD+Z有花/无花镀锌板卷
DT4C电工纯铁板DT8纯铁棒SUYP纯铁管
DT3电工纯铁DT4纯铁棒DT4A纯铁板DT4E纯铁卷