... cost. 4.high temperature resistance. High effiency rotary dryer for the whole world rotary dryer's scope of using:1: ... feed, fertilizer industries, such as stalks, grass, sawdust, leaves, fish meal, corn, rice, wheat, corn starch sauce, starch slag, ... , inorganic fertilizer, phosphate fertilizer ammonium sulfate.3: For the drying of the powder with special requirements and granular materials. Such as ...