av免费不卡在线观看网址,黄色视频大全ww,h在线观看网站,亚洲视频在线免费观看,男人天堂视频在线播放,日本女同羞羞视频,jk美女隐私视频网站

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.