Core Viewpoint - The article discusses a supply chain battle in the Chinese retail industry, highlighting a public letter from Yonghui Supermarket to Sam's Club, criticizing the latter's alleged "choose one of two" practices with suppliers, which Yonghui claims undermines fair competition [4][6][30]. Group 1: Yonghui's Position - Yonghui Supermarket's public letter to Sam's Club is a bold move, marking a shift from its usual humble approach to a more aggressive stance, emphasizing the need for fair supplier practices [4][6]. - Yonghui is undergoing a transformation, shifting its focus from "traffic" to "quality," aiming to establish a strong supply chain to support its new brand identity, "Quality Yonghui" [13][28]. - The company is facing significant financial challenges, with projected losses of 2.14 billion yuan in 2025, marking its fifth consecutive year of losses [12][28]. Group 2: Sam's Club's Strengths - Sam's Club is thriving in the Chinese retail market, with projected sales exceeding 140 billion yuan by 2025, reflecting a growth rate of approximately 40% [8]. - The core competitive advantage of Sam's Club lies in its robust supply chain, which has enabled the successful development of its private label, Member's Mark, accounting for over 20% of total sales [8][9]. - Sam's Club's business model focuses on global sourcing and stringent quality control, fostering strong partnerships with suppliers to create in-demand products [9]. Group 3: Industry Dynamics - The article highlights the competitive landscape in the Chinese retail sector, where companies with superior supply chains dominate the market, while quality supply chains remain scarce [25][26]. - The ongoing struggle for suppliers between major players like Yonghui and Sam's Club illustrates the intense competition and the challenges faced by retailers in securing quality products [30][32]. - The concept of "choose one of two" is debated, with some suppliers denying any restrictions imposed by Sam's Club, indicating a complex relationship between retailers and suppliers [15][19].