belongs to. Heavy catering mainly focuses on hot food such as stir-frying and fried rice, which will produce a lot of oil smoke, garbage and noise pollution. Zhengxin chicken chops conform to the characteristics of heavy catering, so Zhengxin chicken chops belong to heavy catering. Emphasis on catering focuses on high rent, high staff salaries, high raw materials, etc., and at the same time, it is mainly based on dining, and there are only lunch and evening meals.