POS Machinery Co.,Ltd.，is a leading producer which specialized in manufacturing & designing: Roller mill, Bead mill, Sand mill, Sigma mixers, Planetary mixer, Planetary disperser, High speed disperser,Reactors, etc.POS has expanded its business to meet the Food, Pharmaceutical & Chemical industry's requirements for high-quality machinery production line. Besides, POS owns maintenance & service branch office in Taiwan, India, Poland, Turkey & Brazil…