Chen Shuang Banking and Tax Customer Service Center for Small and Micro Enterprises is an institution that provides comprehensive banking and tax services for enterprises. Its main business includes tax registration, tax verification, ticket verification, general taxpayer identification, invoice processing, remote newspaper copying, authentication and other tax-related matters. The integration of bank and tax refers to the integration of information systems of banks and tax departments, which realizes the integrated management of enterprise bank accounts and tax accounts and improves the efficiency and accuracy of enterprise financial management. Chen Shuang Banking and Tax Customer Service Center for Small and Micro Enterprises provides high-quality and efficient banking and tax integration services for enterprises through professional service teams and efficient business processes, and helps enterprises realize digitalization, intelligence and efficiency of financial management.