2021国产精品国产精华_日韩免费观看视频_在线观看免费av网_好看的福利电影在线_免费人成网上在线观看免费_韩国三级无码hd中文字幕_在线观看中文无码_中文字幕精品无码综合网_久久国产精品夜夜_欧美日产国产一区

Recommend

  • LSDZ cold rolling

    LSDZ cold rolled steel strip has excellent deep punching performance and fine surface roughness, which is mainly used in the stamping man... View more

  • 45Mn cold rolled

    The cold rolling of 45MN steel strip has uniform structure and stable performance. The comprehensive mechanical properties after the temp... View more

  • 50# cold rolled products

    50# cold rolled steel strip has uniform structure, stable performance, and good strength and hardness after quenching. Users can also con... View more

  • 65Mn cold rolled

    65Mn cold rolled steel strip uniform structure, high flatness, mainly used for the manufacture of circular saw blade, friction sheet and ... View more

  • 75Cr1 cold rolled

    The 75Cr1 cold rolled steel strip has uniform structure and high flatness, which is more suitable for laser cutting, mainly used in circu... View more

  • SK85 cold rolled

    SK85 cold rolled steel strip minimum thickness specification up to 0.2mm, mainly used in cutting tools, saw blades and automotive parts m... View more

  • 68CrNiMo cold rolled

    68CrNiMo cold rolled steel strip has uniform metallographic structure, spheroidization rate of more than 95%, and excellent toughness aft... View more

  • X32 cold rolled

    X32 cold rolled steel strip adopts domestic hot rolling material, with uniform structure, high spheroidization rate, and excellent fatigu... View more