Group 1 - Several supermarkets in Beijing activated a "reserve" mode to ensure the supply of essential goods during heavy snowfall on the weekend [1] - The Chaoyang District market saw increased customer activity, with vendors offering a wider variety of fresh produce due to anticipated higher demand [1] - Hema supermarket increased its stock of core livelihood products such as vegetables, meat, eggs, and milk by at least 1.5 times the usual amount, responding to a surge in online orders and optimizing delivery processes [1] Group 2 - Wumart Group utilized an AI smart replenishment system to accurately predict changes in consumer demand, increasing supply by 10% compared to previous periods [2] - Yonghui Supermarket proactively implemented a supply guarantee plan, increasing inventory for essential items like meat, dairy, vegetables, and convenience foods while closely monitoring stock and sales dynamics [2]