... 5. Ventilation SystemVentilation for Flat bottom silo Ventilation System includes Natural ventilation vents,Suction Fan,Ventilation Blower ... ,Ventilation channel with net sheets;Ventilation System includes Natural ventilation vents,Suction Fan,Ventilation ... , scraper conveyor, belt conveyor,dry machine, Temperature Monitoring System, Electric Control System and so on.7.Customer visit ...