Ceramic Balls, Ceramic Bearings, Thin Section Bearings manufacturer / supplier in China, offering Waterproof Corrosion Resistant Wearable PP Polypropylene Plastic Bearing 603 604 605 606 607 608 609, Glass Balls Ball Bearings 15mm X 35mm X 11mm Acetal Plastic POM Bearing 6202, POM Plastic Bearings 6200 6201 6202 6203 6204 6205 6206 6207 Waterproof and Acid Resistant Deepgroove Ball Bearing and so on.