According to Xinhua News, in order to make the Greenland Bonded Exhibition and Demonstration Zone outside the Qingpu Comprehensive Bonded Zone operate normally, Shanghai Customs has set up a monitoring center on the spot to establish a customs and enterprise account information management system to enter and exit the goods. The record of deposits, sales, etc. will be recorded throughout the whole process, and safe and efficient supervision will be implemented. Blockchain means will be introduced in the near future. By collecting the main data of each link, the whole process information of the goods will be traced back and forth.