国产 亚洲 欧美 另类中文,中文字幕日韩高清DVD,国产免费一区二区三区蜜桃,麻豆精品在线播放

<var id="49rs0"><source id="49rs0"><meter id="49rs0"></meter></source></var>
  • <table id="49rs0"><acronym id="49rs0"></acronym></table>
  • <rp id="49rs0"></rp>

    <source id="49rs0"></source><table id="49rs0"></table>
  • <u id="49rs0"></u>
    Casus Products>> Casus

      The QSAE10B35-B produced by Xingtai steel has stable chemical composition, good surface quality and high purity of steel. It can be used to produce 10.9 high strength bolts and other cold heading parts. A customer of Xingtai steel using this product to make clutch sleeve, used to replace imported materials. Customers reflect the product performance stability, low harmful elements, good cold heading performance, can meet the final product requirements.