HD500LAD+Z宝钢Q/BQB 420-2021 HD500LAD+Z50/50-M-FC-O ¥5.55 Q/BQB-420-2021 HD500LAD+Z热镀锌卷板HD500LAD+Z材料 ¥4.00 Q/BQB HD500LAD+Z热镀锌材料 2023 宝钢 HD500LAD+Z汽车钢板卷 ¥4.31 CR1250/2000HS+Z140批量试模CR1250/2000HS+AS150钢板及钢带 ¥6.80 供应Q/BQB420 HD500LAD+Z宝钢标准镀锌钢板卷 抗拉屈服 报价 ¥3.90 首钢热基镀锌 HD500LAD+Z 3.00*1000*C 品质一级表面好 ¥6577.00