This machine could be used for dring peanur ,sunflower seed ,soybean,corn and other grain.Heating system could be applied to CNG,LNG  and coal boiler .Roasting and cooling system together in one line . Fast roasting , temperature control and adjustable . Yellow and red alert alarm system .Uniformity roasting ,high effective production , environment friendly , no damage , no fire heating system , good taste and other advantages . We have large size and economic options for your choose .