Dear Participants: Hello! This survey aims to understand your knowledge of Yili Group and its products, your purchasing behavior, and your satisfaction level. All the data will be used solely for academic research and will be strictly kept confidential. Completing the questionnaire will take approximately 3 to 5 minutes. Thank you for your participation!
[Research Hypothesis Explanation: This questionnaire is designed to verify the hypothesis that "Yili, through its dual differentiation strategy of functionality and ESG, has significantly higher premium for its high-end white milk compared to Mengniu", ensuring that all questions align with the objectives of the regression analysis.]