This machine we adopt natural gas flame tube,the up flam we adopt far infrared radiation board,which can permeate the center of the cake constructures ,the down flam we adopt the stainless steel orifice plate which canavoid naked flame burns steel belt directly.We can adopt different burning ways according to customers’demands, we adopt the fuel gas so far,the consumption of fuel gas per hour is 18-20m3,there are three areas of the temperature control,and with any adjustment from 20°--300°according to different cakes,distribute temperature reasonable which can make food with the bright coloured and lustrous.and the steel belt we adopt Sweden Sandvik.Both the length and the width can be adjusted according to your requirement.