1. Applied to grain baked goods (bread, cakes, etc. ) cooling, cache, off-the accumulation, and bactericidal mode transportation. 2. Its extended length and area can meet the technology needs, elliptical and round design saves the covered area. 3. Conveyor surface with the engineering module belt which can contact with food directly and in line with food hygiene requirements. 4. System with automatic tensioner devices, conveyor load up a certain force to bear to extend the maintenance period.