Group 1 - The controversy arose from a consumer post highlighting that both "Vanilla Flavored Fermented Milk" sold at Sam's Club and "Little Milk Skin Yogurt" sold at Hema were produced by Qingdao New Hope Qinpai Dairy Co., Ltd, raising concerns about the consistency of quality between private label products [1][8] - On November 20, Qingdao New Hope Qinpai Dairy Co., Ltd confirmed that both products are indeed produced by them, but emphasized that the production standards vary by brand [1][9] - The pricing of the two yogurt products differs despite being produced by the same manufacturer, indicating potential disparities in branding and marketing strategies [1][8] Group 2 - The company stated that it undertakes multiple brand OEM orders, tailoring formulas and production standards according to brand requirements, while also maintaining its own quality inspection system to ensure compliance [1][9] - Customer service representatives from both Sam's Club and Hema were consulted regarding the quality concerns; Sam's Club noted that they would escalate the issue for further investigation, while Hema indicated that the products should be of similar quality due to being from the same manufacturer [1][9]