Jinsan monitors taxation according to big data. Golden Tax Project is an information system project that will realize the whole process of taxpayer identification, invoice purchase, tax declaration and tax payment through network operation. The anti-counterfeiting tax control system of value-added tax is a computer management system that uses digital password and electronic storage technology to strengthen the anti-counterfeiting function of special invoices for value-added tax and realize the monitoring of tax sources of general taxpayers of value-added tax.

The golden tax project consists of a network and four subsystems. A network is a unified computer backbone network from State Taxation Administration of The People's Republic of China to provinces, prefectures and cities; The four systems, namely, the VAT anti-counterfeiting and tax-control invoicing subsystem covering the general VAT taxpayers nationwide, the anti-counterfeiting and tax-control authentication subsystem covering the national tax system, and the VAT cross-audit subsystem invoice investigation information management subsystem. The four subsystems are closely linked and mutually restricted, which constitutes the basic framework of a complete VAT management monitoring system.