Four o'clock. According to the business model of Banu's focus on beef omasum hotpot, we know that Banu's focus on beef omasum hotpot will call the number one hour later, and the number will be called at 3 o'clock, so the call time is 4 o'clock. Vientiane City Banu beef omasum hotpot put forward the concept of "productism" and won the reputation of customers with genuine, healthy and delicious products. In 2020, the new central kitchen built by Banu with an investment of about10.50 billion yuan was officially unveiled, adhering to the concept of "cold fresh, not frozen, not naturally added overnight", and building the third-generation supply chain of the catering industry, with over 100 direct stores.