Cow dung can be used as a lot of animal feed, cow dung which contains minerals and a variety of nutrients, including organic matter, total nitrogen, crude protein and other nutrients. With cow dung as raw materials to produce organic fertilizer, the cost is small, the quality is relatively stable, the market sales space is very big. Rotary drum dryer is designed to dry Cow dung which contains high moisture.Heat is generate by hot air generator by Coal, gas, petrol,diesel, biomass fuel etc.Total system is automated & moisture in material is adjustable as per requirement in various sectors.Depending on raw material,moisture and required production we can suggest suitable model and an approximate cost of your system in a short time frame. And It's capacity is 200-500T/D; Continuous work can reduce the cost of your company.