The series of ball press machine are the equipment pressing powered materials into ball shape.The design of the product is mainly used for pressing dry powder into pellet material in the magnesium-making technology by pidgeon process.After many years of industrial use and improvement,compared to other similar products,the series of ball press machines have many obvious advantages,such as high pelletizing rate,low consumed power,compact structure,easy maintenance and debugging,etc,thus,it is a kind of key ideal equipment for magnesium-making technology by pidgeon process.