Steamer body made of 304# stainless steel brushed plate; plate thickness 1.0; steamer liner 1.2mm thick; furnace surface 1.5mm thick, furnace frame using 38×38×2.0 stainless steel rectangular tube, furnace feet using Ф2″ seamless steel pipe containing steel column with adjustable stainless steel bullet feet; with steam pressure release device, with full copper float valve; using natural draft energy saving low noise fire grate + heat exchanger, electronic ignition; using Non-toxic silicone one-piece seal.