三级片a片无码_蜜乳AV成人电影_丝袜足交视频在线_日韩精品中文字幕亚洲专区腿精_安徽搡BBBB槡BBBB_欧美日B操B_非洲AV成人无码久久精品_av尤物_www.亚洲黄_WWWWWW美国黄片_蜜乳av影视_久久久亚洲成人AV无码电影_A片免费看在线不卡_国产无码8区_日屄福利视频

Casus Products>> Casus

The 40CrMoV material  produced by XINGTAI IRON AND STEEL CORP.,LTD is newly developed high strength and high temperature resistant alloy steel,and it is mainly used for production of eddy current for high temperature bolts in the engine.The material is used in passenger cars and engineer mechanical cars.Customers reflect that 40CrMoV   has the very high strength and good heat stability at the same time.