50%. According to the official website of the China Household Electrical Appliances Association, the thermal efficiency of the integrated electric wok is 50% and can cook food. The integrated electric wok is a very convenient and efficient cooking tool. This tool can make delicious food in a short time, and is easy to operate and clean. According to the official website, the integrated electric wok has a thermal efficiency of 50% and can cook food. The integrated electric wok is a very convenient and efficient cooking tool. This tool can make delicious food in a short time, and is easy to operate and clean.