The YZD-200AD adopts a fixed structure as a whole, and (the detachable structure can also be used). The whole machine is made of stainless steel. The thickness of the facade and baking chamber is 1.0mm stainless steel. The movable grill (optional disassembly type) is convenient for transportation. It adopts the bottom bearing rotation and the forced air circulation of the blast air to shorten the heating time and save energy.