Group 1 - Sam's Club achieved a sales revenue of 140 billion yuan in 2025, with a year-on-year growth of 40%, averaging daily sales of 380 million yuan [4][12] - The success of Sam's Club is attributed to three main strategies: integration of online and offline sales, precise store location selection, and a focused product selection strategy [6][9][24] - Sam's Club's online sales now account for over 50%, utilizing services like "Express Delivery" and "Citywide Delivery" to enhance customer convenience [6][9] Group 2 - In contrast, Yonghui Supermarket reported a revenue of approximately 29.95 billion yuan in the first half of 2025, a year-on-year decline of 20.73%, and a net loss of 241 million yuan [12][14] - Yonghui's challenges stem from its traditional hypermarket model, which has struggled to adapt to the rise of e-commerce and instant retail, leading to a significant reduction in store numbers from 1,440 to over 600 [14][20] - Yonghui is attempting to transform its business model by adopting strategies from successful competitors, including optimizing product offerings and enhancing customer service [18][20] Group 3 - The differences in performance between Sam's Club and Yonghui highlight contrasting business models and target demographics, with Sam's focusing on high-income families and premium products, while Yonghui targets a broader audience [24][26] - The retail landscape in China is evolving, with both Sam's Club and Hema achieving over 40% growth, indicating a competitive shift towards warehouse membership stores [27][29] - Future competition in the retail sector will center on supply chain optimization, user experience enhancement, and maintaining cost-effectiveness while ensuring product quality [29][31]