Q/BQB 419-2021 HC180Y冷轧板卷 B170P1 ¥4.66 Q/BQB 419-2021 HC220Y冷轧板卷 B210P1材料 ¥4.66 Q/BQB 419-2021 B250P1板卷HC260Y卷板 ¥4.66 Q/BQB 419-2021 B140H1板卷B180H2卷板 ¥4.66 Q/BQB 419-2021 HC180B B180H1 ¥4.36 Q/BQB 419-2021 HC220B板卷HC260B卷板 ¥5.01