Shanghai 23 launched the "Shanghai Customs Implementation Plan for Supporting the Construction of Shanghai Science and Technology Innovation Center" (2020 version), innovatively implemented the "white list" system of scientific research institutions, etc., and gave green lights for efficient and safe customs clearance of imported research and development supplies. Zhan Qinghua, Customs Commissioner of Shanghai Science and Technology Innovation Center, said that Shanghai Customs will use modern scientific and technological means such as the Internet of Things and blockchain to improve the efficiency of customs clearance of imported research and development supplies, while realizing the entire process, the whole chain, all time and space, and all-round Supervision.