The series of ball press machines are the 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 industurial usageand improvement, compared to other similar products, the series of ball press machines have many obvious advantages, such as high pelletizing rate, low customed power, compact structure ,easy maintance and deb ing,etc.