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 material XGS45C of Xingtai Iron and Steel Corp.,Ltd is a dedicated material for shaft and rod, mainly used to produce automobile damping rod, engine gear ring and other products. Customers reflect that our XGS45C material has good control of  hardness, stable surface quality and less hemp pit, pitting, also has high product yield.