Rare earth polishing powder has the advantages of less dosage, fast polishing speed and high-polishing efficiency. It can also change the polishing quality and operating environment. Cerium rich oxide is mainly used in rare earth glass polishing powder. Ceria is a effective polishing compound because it can polish glass simultaneously in the form of chemical decomposition and mechanical friction. It is widely used for polishing rare earth lens of camera and TV. https://www.rareearthpowder.com/ chenxi@gonare.com