狠狠躁夜夜躁人人爽天天不丨亚洲成人精选丨天天爽天天色丨999久久久久久丨成人无码视频97免费丨国产精品色婷婷亚洲综合看丨久草香蕉视频丨性鲍视频在线丨岛国精品一区二区丨操皮视频丨欧美重口另类在线播放二区丨毛片123丨天堂中文av丨99国产在线视频丨97国产精品理伦影院丨完全免费在线视频丨午夜伦理yy44008影院丨av毛片在线免费观看丨91视频3p丨人妻少妇精品中文字幕av蜜桃丨香蕉视频在线观看免费丨国产欧美在线丨日日夜夜人人丨亚洲h在线播放在线观看h丨老司机午夜永久免费影院

[ Products Description ] 
The alumina grinding balls has been widely used in ball mills as abrasive media for ceramic raw materials and glaze materials in ceramic factories, cement factories, enamel factories and glasswork owing to the excellence of high density, high hardness, high wear resistance. During the abrasive/grinding processing, ceramic balls will not be broken, it will not pollute the material to be grinded.
Type: According to the content of aluminum: 60-70%, 65-75%, 92%, 95%
According to the specification: Φ25mm-Φ75mm