1. Commodity circulation system: This system takes commodity exchange as the core, including commodity purchase, transportation, storage and sales, and belongs to one of the three major circulation systems in Lv Wenyi.
2. Currency circulation system: This system centers on the issuance, circulation and withdrawal of currency, including central banks, commercial banks and other financial institutions, and is one of the three major circulation systems in Lv Wenyi.
3. Information circulation system: This system takes the generation, dissemination and utilization of information as the core, including Internet, Internet of Things, big data, artificial intelligence and other technologies, and belongs to one of the three major circulation systems in Lv Wenyi.