Tax service management system for large enterprises in State Taxation Administration of The People's Republic of China, People's Republic of China (PRC).

1 stands for core service, that is, the core content of tax service and management of large enterprises; 3 stands for support services, that is, three supplementary services provided around core services. The core services of tax service and management in large enterprises mainly include tax declaration, tax consultation and tax audit. Risk management services, tax preferential policies services, tax training and consulting services.