MBN 11250 MSC Grade A-GI50/50-U镀锌板 汽车钢 ¥3900.00 MBN 11250 MSC Grade B-GI50/50-U镀锌板 汽车钢 ¥3900.00 MBN 11250 MSC Grade C-GI50/50-U镀锌板 汽车钢 ¥3900.00 MBN 11250 MSC Grade D-GI50/50-U镀锌板 汽车钢 ¥3900.00 MBN 11250 LAC 240Y320T-GI50/50-U镀锌板 汽车钢 ¥3900.00 MBN 11250 LAC 270Y350T-GI50/50-U镀锌板 汽车钢 ¥3900.00