... effiency rotary dryer for the whole world The scope of using: 1: chemical, mining,metallurgical and other industries,such as ... powder, clay, diatomite, kaolin. 2: Agriculture, feed, fertilizer industries, such as stalks, grass, sawdust, leaves, fish meal, corn ... , sludge, waste of aquatic products, wastes in the food factories, slaughterhouse waste, organic fertilizer, inorganic fertilizer, phosphate ...