DAOJI is a technology-based import and export service enterprise, based on the rubber and plastic equipment industry, such as printing machine, slitting machine, bag making machine, foaming machine, rubber roller, and spare parts. The main business is divided into two parts: 1 Equipment outlet 2 In view of the complex situation of domestic suppliers and unclear needs of foreign customers, Daoji aims to deepen the research and communication of industry technology. On the one hand, understand the real needs and quality positioning of customers, on the other hand, have a deeper understanding of suppliers and find matching customers. In this way, we can reduce the communication cost of all parties and increase the foundation of trust.