CTI provides food safety assurance services for catering units related to food and agricultural products. Based on tens of thousands of food safety risk investigation cases every year, CTI adopts a comprehensive perspective of "commissioned audit + special training + 5S (6T) introduction" through customized segmentation. Technical services to ensure the continuity and effectiveness of the management level and food safety, help schools and canteens to improve their comprehensive food safety management capabilities, assist the supervisory authorities in achieving smart management, and escort the safety of meals for the masses.