Group 1 - The company Jiajiayue Group Co., Ltd. has faced multiple food safety issues this year, with its stores frequently appearing in market regulatory announcements for non-compliance [1] - Specific instances of non-compliance include the sale of bananas with unacceptable levels of chlorothalonil and cucumbers with unacceptable levels of ethephon at different stores [1] - In April 2024, several products from Jiajiayue stores were reported for exceeding safety standards, including shrimp with excessive sulfur dioxide and beef products containing N-nitrosodimethylamine [1] Group 2 - Jiajiayue Group was established in 1981 and is based in Weihai, Shandong Province, with over a thousand stores across various regions including Shandong, Beijing, and Jiangsu [3] - The company operates in the supermarket chain sector, and as it scales beyond a thousand stores, the establishment of standardized quality inspection and traceability systems becomes crucial for long-term development [3]