... ,we can design and manufacture PCBA for electronics products electric steam oven electronic circuit design ,we can design and manufacture ... frequency: 110v or 220v, 50hz or 60HZPower: 1600/1800W, Function:- Steam cooking: You can keep cooked rice, vegetables, fish, meat, ... the use of more safety, longer life. Replaced by electric steam oven, because the microwave oven is a “vegetable nutrition ...