Your friend should be talking about Liangzhilong 202 1 China Food E-commerce Festival, which is the largest exhibition in the food industry, and is dedicated to solving the problem of accurate docking between the supply and demand sides. If you want to buy food, condiments or have business exchanges with suppliers, you can participate. It will be held from March 28th to 30th next year. Now you can book tickets on the official WeChat account, the official food e-commerce festival.