No plastic ball polishing method and other sports products polishing technology, mainly because the plastic ball hardness is not high, and the density is inferior to a metal ball, ceramic ball, glass balls and other sports products, so polishing the difficulty also increases accordingly, first is polishing consumables used different materials, metal polishing the ball used is high hardness of polished ceramic ball, plastic ball polishing adopts high aluminum porcelain polishing the ball, but also adding special polishing liquid, or plastic ball sticky, polishing milling down the debris will stick in the plastic ball, resulting in plastic ball polishing process, the final product is bad, so the plastic ball polishing technology is mainly supplies.