九一精品一区,色戒梁朝伟和汤唯无删减版在线观看未删减版,伊人中文字幕在线观看,亚洲男人在线,五月婷婷之婷婷,色戒完整版无删减在线观看,天堂成人一区二区三区

Casus Products>> Casus

  The QS35C-C produced by XINGTAI STEEL has the advantages of stable composition, low harmful elements and few surface defects. This material is a special material for shaft and rod products. A customer used this material to make automobile piston rod. The customer reflected that the quality of our QS35C-C material is stable, and it has good surface quality and cutting performance, which meets the use requirements of the final product.