Your friend should be talking about Liangzhilong 2121 China Food E-commerce Festival, which is the largest exhibition in the food industry, and specializes in solving the problem of accurate docking between the supply and demand sides. If you want to purchase food, condiments or have business exchanges with suppliers, you can participate. It will be held from March 28th to 31th next year. Now you can book tickets in WeChat official account, the official food e-commerce festival.