... finishing tumbling media for customers to choose. Our products of ceramic media, procelain media, plastic media, and other media find ... porcelain media/plastic media/and also high porcelain polishing pins-ceramic medias includes: brown alumina oxide media/white alumina oxide ... /angle cut cylinder, tri-star, four-star, balls, cube, cone, tetrahedron, etc. Useful Finishing & Polishing Ceramic Abrasive