Julong (SZ300202) replied to investors on the interactive platform that the company's main business involves the application of some blockchain technology. The specific application scenario is the overall digital financial service platform solution provided by the company for the People's Bank and commercial banks. By deepening the application of blockchain and big data, it will solve the problem of accurate, safe, and comprehensive intelligent decision-making of cash circulation data, and realize the goal of "socialization of cash services, intensive processing, centralized data, and supervision of the whole process" of financial service platforms . The digital financial service platform project will save commercial banks more than 30% of the operating cost of cash circulation. The first pilot operation project of the project has been for nearly three years. In the future, it will be promoted on a large scale with the promotion of relevant policy documents.