According to the news of the Central Broadcasting Network, the Shenzhen Central Branch of the People's Bank of China recently signed the “Strategic Cooperation Framework Agreement” with the Shenzhen Taxation Bureau of the State Administration of Taxation, and launched an automatic tax filing business in Shenzhen. That is the knot. This time, the central bank's trade finance blockchain platform realizes automatic tax filing service. Enterprises only need to submit the tax filing application on the “one button” online, and they can achieve immediate settlement. Liu Jia, deputy director of the International Taxation Management Office of the Shenzhen Municipal Taxation Bureau of the State Administration of Taxation, told the reporter that “Enterprises only need to submit filing forms and contracts in the E-Tax Bureau, and the data will be transmitted to the bank and the SAFE in real time through the blockchain platform. That is, application, immediate, and knot."