Steam cooker with lpg/natural gas burner or electric heaters This steam cooker is widely used and welcome in restaurants, hotels, catering centers Canteens, or food processing, seafood processing, vegetables processing plants to steam cook rice, meat, seafood, vegetables etc in large quantity. Warranty one year after sales. The special chimney on back is made by jacket, inside jacket the replenished running water is heated by hot chimney up to about 80 centigrade before inpouring water tank. By using this device , the steam cooker can save about 40% heat energy than other steam cooker without this device.