GB/T 2518-2019 HX260BD+Z镀锌板卷 宝钢HX260BD+Z ¥3900.00 GB/T 2518-2019 HX300BD+Z镀锌板卷 宝钢HX300BD+Z ¥3900.00 GB/T 2518-2019 HC260/450DPD+Z镀锌板卷 宝钢 ¥3900.00 GB/T 2518-2019 HC290/490DPD+Z镀锌板卷 宝钢首钢武钢 ¥3900.00 GB/T 2518-2019 HC330/590DPD+Z镀锌板卷 宝钢 ¥3900.00 GB/T 2518-2019 HC440/780DPD+Z镀锌板卷 宝钢首钢武钢 ¥3900.00