The company has established the quality management system, determined the company's quality policy and quality objectives, prepared the company's system documents in view of the quality objectives, and improved via internal audit and management review since 2003, integrated the food safety management system into the quality management system in 2006. In 2015, it formally set up the quality system department, and controlled the quality from the simple "inspection" means to the establishment of "preventive control system". The company realized the "preventive control system" mainly through the supplier quality management, raw and auxiliary material quality management, process quality management, process quality management and finished product quality management.