Jade siu mai, mille-feuille oil cake, five-ding bun...... Dishes are cooked from the "all-electric kitchen" of Quyuan Tea House, an online celebrity restaurant in Yangzhou City, Jiangsu Province, and delivered to the diners' tables. "The safety of the kitchen is guaranteed, and the taste of the fried dishes is basically the same as that of gas and liquefied gas." Wang Haijun, the person in charge of electricity consumption at Quyuan Tea House, calculated that it used to cost more than 26,000 yua