Group 1 - JD.com opened four discount supermarket stores in Suqian, Jiangsu, on August 30, attracting over 300,000 customers on the first day [1][2] - The stores cover over 5,000 square meters each and offer more than 5,000 SKUs, including daily necessities, fresh food, and beverages [2][3] - The discount supermarket model is seen as a new growth point for e-commerce, especially in the context of increasing competition and the rise of instant retail [1][5] Group 2 - JD.com's discount supermarkets utilize a "large store, multiple SKUs" model, which has proven successful and replicable, enhancing local consumption and retail upgrades [3][5] - Meituan has also entered the discount supermarket space with its "Happy Monkey" brand, aiming to open 1,000 stores, with the first store in Hangzhou [1][4] - The discount supermarket format is appealing to price-sensitive consumers, particularly as shopping habits shift towards rationality and immediacy [5]