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On August 24, Chen Xiaojun, Deputy Director of Shanghai Quality Supervision Bureau, Zheng Wanjun, Director of Product Quality Supervision Department and Huang Peidong, Vice Director of Shanghai Huabi Judicial Appraisal Institute, visited Shanghai Huabi Judicial Appraisal Institute to investigate product quality appraisal. Liu Xuesen, President of Huabi Group and Yan Jinglin, Director of Huabi Judicial Appraisal Institute, accompanied them to visit Huabi Laboratory in Shanghai, and reported on the quality appraisal of products.