Invented the Douhua hotpot brand. Yanshengyan is a brand of bean curd hot pot. The founder is Dong Yanli, who adheres to the concept of innovation. The spicy pot base developed by the company has applied for a national patent. It is spicy and delicious. As the founder and leader of the bean curd hot pot category, Dong Yanli has been named by netizens. Her name is Sister Douhua.