Organic wastes can be put into the tank as long as its moisture below 70% without adding any auxiliary materials. It is continuous system, you can put wastes every day . Organic fertilizer is produced everyday. Bucket elevator lift up organic wastes and put them into tank automatically. Organic wastes are mixed by agitating blades inside of the tank. Special heat exchanger uses hear of exhaust gas to warm up fresh air to go into tank. The warm air is blowed from holes on the blades. The warm air hasten aerobic fermentation and evaporate water in organic wastes. After 7 days( on the average), organic wastes are converted to high quality organic fertilizers.