This dryer is mechanically designed drying cabinet provide even drying performance without rotating drying trays.It has an excellent thermal efficiency,with heating pipes passing the furnace six times.This machine also have an ozone drying option which helps prevent decomposition and provides long term storage of dried products(optional).Patent dryer by reduces fuel costs with recycles tailwind heat exhausted and it is veryfied by the NATIONAL INSTITUTE OF AGRICULTURAL ENGINEERING.The electricity safetiness was also certified by KOREA TESTING LABORATORY and lastly,this machine also have a fair infrared ray dry which helps antifungal,sterelize and natural color and taste.