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 QML20Cr produced by XINGTAI STEEL has characteristics of stable chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality. After spheroidize annealing, this product has characteristics of good cold heading properties ,stable heat-treatment properties and good hardenability. A customer of XINGTAI STEEL used this material to make seat gear and fed back that the product quality was stable and met the product demand.