国产一级精品成人久久av无码免费,日韩在线看片中文字幕不卡,中文字幕在线激情日韩一区,日韩欧美成人免费中文字幕,国产精品一区二区免费看,日韩欧美一区二区三区在线视频,中文字幕在线免费视频,中文字幕精品视频在线观看,国产日韩不卡免费精品视频,日韩中文字幕电影在线观看,91精品乱码一区二区三区熟女精品,亚洲欧洲在线观看精品,日韩中文字幕福利电影

Casus Products>> Casus

  The 120Cr produced by XINGTAI STEEL belongs to high carbon handmade tool steel with a very high carbon content, mainly used for manufacturing various tools, measuring tools, molds, cutting tools, etc. A customer of XINGTAI STEEL used this steel grade to produce files. The customer reported that the product has stable performance, high hardness, and good usage.