... Product parameter: Pingxiang City Zhongxing Chemical Packing co.ltd is a professional manufacture which produced POM ball. POM ball , ... plastic ball, PA nylon plastic ball, PP polypropylene plastic ball is mainly used in cars, sensor, valves, pumps, valves, ... ; dia60mm, dia65mm; dia70mm; dia75mm; dia80mm. This product precision is high, for each customer provides excellent quality and service, welcome ...