Core Points - Sam's Club is facing public scrutiny again due to a consumer report of finding a tooth in a walnut cake purchased at its Shanghai store [1][3] - The company has previously faced criticism for quality issues, including a downgrade in the quality of organic soybeans and changes in product formulations [3][5] Group 1: Recent Incidents - A consumer reported finding a tooth in the "MM Walnut Cake" purchased on October 10, priced at 27.8 yuan [1] - Customer service acknowledged the complaint and stated that the matter has been reported to the factory for investigation [3] - In July, there were complaints about the quality of organic soybeans being downgraded, which the company confirmed [3] Group 2: Product Quality Concerns - There were allegations that the mustard seed meat floss bread had its recipe changed to include genetically modified soybean oil, which was not disclosed on the packaging [5] - The company explained that some bulk products may have incomplete ingredient lists due to label size limitations, and they provide full ingredient information through in-store displays and mobile scanning [6] - Sam's Club faced backlash for discontinuing popular products like sun cakes and low-sugar egg yolk pastries, while introducing less favored items, leading to a temporary withdrawal of some new products [6]

Group 1 - The core issue revolves around the downgrade in quality of organic soybeans sold at Sam's Club, which has sparked consumer concerns about price versus quality [1][3] - Sam's Club responded by stating that the organic soybeans have been replaced with high-protein soybeans, meeting national standards for protein content, but this explanation did not fully alleviate consumer doubts [3] - The incident reflects a broader trend in the supermarket industry where intense competition and cost pressures lead to changes in product quality, as retailers seek to control procurement costs [3][4] Group 2 - Competitors like Pang Donglai and JD Seven Fresh are maintaining quality standards by prioritizing product quality over profit, implementing strict quality control measures throughout their supply chains [4][5] - JD Seven Fresh has reported significant growth in organic product sales, with a twofold increase in transaction volume and a threefold increase in user numbers for its private label organic products [5] - The Sam's Club incident serves as a reminder for industry players to balance cost control with consumer expectations for quality, emphasizing the importance of maintaining product integrity [5]