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  • B600QZR steel supplier
    The main processing technique for B600QZR steelrim is roll forming. Punch forming and spin forming are usually applied for disc.
  • B700QZR steel provider
    The main processing technique for B700QZR is roll forming. Punch forming and spin forming are usually applied for disc.
  • BH800-Ⅱ steel supplier
    BH800-Ⅱ steels have low welding crack sensitivity and the properties of welding joint are good.