少妇精品无码无码专区_浪伦女视频免费在线观看_在线看片无码午夜免费_五月丁香婷婷在线观看视频

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.