Tsinghua Zhengda Trading Company is the enterprise responsible for internal commerce and services of Tsinghua University. It is a subsidiary of Tsinghua University Logistics. Its management scope covers many major commercial outlets such as supermarkets, markets, maintenance and financial services. The company's main task is to provide basic merchandise and living services for teachers, students and residents, and to ensure the quality and safety of the products; at the same time, to ensure the commerce and trade materials for major events in the school; and to manage and supervise the commerce and trade assets and improve the use of resources. Efficiency and efficiency to achieve asset preservation and appreciation. With the continuous advancement of the "13th Five-Year Plan" of schools and logistics, comprehensive reforms have continued to deepen. According to the overall deployment and arrangement of Tsinghua Logistics, Zhengda Trading Company gradually adjusted the commercial service mode, gradually changed from Self-operation to assets management and service, standardized and informationized management of commerce and trade resources, and developed a commercial assets management information system. Through the adjustment and improvement in recent years, Zhengda Trading Company will provide convenient, affordable and excellent commercial services for teachers and students in a more humane way. Do not forget the initial intention, to achieve the "educational characteristics, reasonable commercial layout, standardized service management, quality and safety of goods, the satisfaction of the majority of teachers and students".