... ISO9000 3.experienced in foreign trade 4.best service ceramic abrasive ball Specification materialpottery clay,quartz,feldspar etc.shapeellipsoid ... equipments to make them.We produce all kinds of ceramic media for fine polishing, porcelain polishing, light cutting, ... and other types. There are different shapes: ball, cylinder, angle cut cylinder, triangle, angle cut triangle, grain, cone etc. Besides ...