日本不卡高清视频v中文字幕观看互动交流_手机在线看片欧美日韩_日韩激情一级无码毛片_国产真实尾随入室迷晕丝袜美女_久久天天躁狠狠躁夜夜免费观看

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.