1,High efficient 2,Low consumption 3,Pelletize equipment 4,Pelletizing rate ... being idle for later half year,4,With low energy consumption and high efficiency, equipment in medium and miniature ... impacted,7,Spare parts not easily worn, cost low,8,The problem of sticking to disk for ... being idle for later half year,4,With low energy consumption and high efficiency, equipment in medium and miniature ...