Yes Official website of Zhengzhou Nezha Catering Food Co., Ltd. shows that the company's business scope includes: the production, processing and sales of frozen food, convenience food, prepackaged foods and cooked products; Catering service; Clean food products, Chinese and western food prepackaged foods, therefore, Zhengzhou Nezha restaurant is a prefabricated dish. Prefabricated dishes refer to foods or dishes that have been processed, processed, cooked or frozen in advance and can be provided to customers directly or after simple heating or processing. The advantage of this method is that it can shorten the cooking time, reduce the labor cost and improve the consistency and sanitary quality of products.