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 Q10B23M-C produced by XINGTAI STEEL has the advantages of high purity, good surface quality, small depth of decarbonization layer, low cracking rate of cold heading, high strength and good hardenability after heat treatment. It is mainly used to make high-strength automobile fasteners. A customer of XINGTAI STEEL using the product to make automobile bolts, reflecting the product quality stability, meet the final product use requirements.