上海少妇高潮狂叫喷水了,任我爽精品视频在线观看,精品一区精品二区制服,国产欧美高清在线观看,国色精品无码专区在线不卡,(无码视频)在线观看,亚洲中文有码字幕青青,日韩国产高清一区二区

POM plastic balls

PRODUCTS > PLASTIC BALLS > POM plastic balls

POM plastic balls



POM 6.35


POM 7.938

POM 15.875

POM 25.4


 

 

 

 


 

 

 

 


POM plastic balls
POM plastic balls are widely used in cosmetics, sprayers, guide rails, and hardware machinery products.
Characteristics: POM plastic is a hard and dense material with a smooth, glossy surface, typically light yellow or white.
Features: It exhibits superior wear resistance and self-lubricating properties compared to most engineering plastics. It also has good resistance to oils and peroxides. However, it is not resistant to acids, strong alkalis, or UV radiation.
Precision Grade:G0—G4
Specifications:1mm—60mm
Previous: 430 Steel Balls
主站蜘蛛池模板: 久久久久人妻一区精品色| 久久亚洲国产精品成人av秋霞| 国产男女做爰高清全过小说| 国产黑色丝袜在线观看片不卡顿| 女人18片毛片60分钟| 欧美牲交videossexeso欧美| 亚洲高清成人aⅴ片777| 精品人妻系列无码专区久久| 蜜臀av色欲a片无码精品一区| 一二三四视频社区在线| 欧美精品亚洲精品日韩传电影| 色妞www精品视频二| 免费看欧美成人a片无码| 国产做国产爱免费视频| 2023国产精品一卡2卡三卡4卡| 国产自在自线午夜精品| 女人被做到高潮免费视频| 欧美丰满熟妇xxxx| 久久精品99av高久久精品| 伊人蕉久中文字幕无码专区| 午夜寂寞视频无码专区| 色诱久久久久综合网ywww| 国产无套一区二区三区浪潮| 男男车车的车车网站w98免费| 热久久99这里有精品综合久久| 中文字幕乱码人妻一区二区三区| 色妞www精品视频二| 亚洲精品久久国产高清| 欧美牲交videossexeso欧美| 精品国产精品久久一区免费式 | 久久精品女人天堂av麻| 久久男人av资源站| 欧美内射深插日本少妇| 亚洲最新无码成av人| 欧美最猛性xxxxx大叫| 欧美日韩精品一区二区在线观看| 欧美成人看片一区二区| 亚洲美免无码中文字幕在线 | 怡红院精品久久久久久久高清 | 国产成人av无码永久免费一线天 | 人妻精品久久久久中文字幕69|