亚洲三级精品视频,日本乱码伦十八在线观看,国产美女一区二区三区免费看,日韩精品亚洲国产另类

<dfn id="ppcae"></dfn>
  1. Language Language
    Iron And Steel Smelting Process Straightening Section Continuous Casting Machine Fan Section Roll Gang Rolling Mill
    • Contact:Minister Xu
    • Mobile:13841408476
    • Tel:024-44837288
    • Fax:024-44837004
    • E-mail:xuming58@126.com
    • Web:www.simuwu.cn
    • Address:No.110 XiangHuai Road
      Benxi Economic Development Zone
      Liaoning Province

    Iron And Steel Smelting Process

    The iron and steel metallurgical procedures are collectively termed as iron and steel smelting process. By carbon content, the industrial iron falls into pig iron (with carbon content above 2%) and steel (with carbon content less than 2%).