Core Points - The controversy surrounding the product selection at Sam's Club continues, with the "Liuliu Mei" dried plum product being questioned for its ingredient differences [2][4] - Consumers are concerned about the potential "double standard" in the ingredient formulations of "Liuliu Mei" products sold at Sam's Club versus those available through other channels [2][4] Group 1: Product Differences - The "Liuliu Mei" product sold at Sam's Club is a custom product that contains only "Chilean plums" with no additives, while other standard products contain preservatives and artificial sweeteners [4] - This discrepancy has led to consumer outrage, with many questioning whether non-Sam's products contain additives, creating a perception of unfair treatment [2][4] Group 2: Sam's Club Product Strategy - Recently, Sam's Club has faced criticism for its product selection, having removed popular items like "sun cakes" and "low-sugar egg yolk pastries" while introducing more mainstream brands [4] - The backlash against the "Liuliu Mei" product due to additive concerns has intensified scrutiny on Sam's Club's product differentiation strategy and overall quality [4]