It can be used in Chinese restaurant, hotels, canteens,food chains for steaming buns or shrimp dumplings. It fully made ofstainless steel (SUS304). Compare the traditional gas steamer, ithas many good points you have to concerned choose it. Efficiency,heating efficiency can reach over 95%, heating speed is 40% fasterthan gas oven. Safety, no fire, no exhaust and it makes “0”pollution in kitchen. Saving Energy, induction wok cooker is savingenergy 60% than gas steamer.