It is an indirect way of heating the food by placing the food in a ceramic pot, which is placed inside the caldron, and heating the water inside the caldron. It is a healthy cooking method that can replace the 4 basic cooking methods such as roasting, boiling, frying and steaming. Since the temperature of the steam inside the double boiler is lower than the temperature of the heating steam, the steam at a lower temperature is sealed and form dews inside due to the steam at a higher temperature. CompanyOCOO Co., Ltd. C.E.OJUNG Hye Soon EstablishedDecember 3, 2003 Main Office AddressOCOO Building, 1027-14, Hogye-dong, Dongan-gu, Anyang-si, Gyeonggi-do, Korea Homepagewww.ocoo.co.kr Capital5 Billion Wo