SF Express. CX is not a formal express order number at first, but an order number generated by SF Express system after placing an order online according to customer demand. This order number does not have the function of querying express delivery information. SF adopts the direct operation mode, and the headquarters implements unified management and unified operation for all branches, thus ensuring the overall operation quality of the network. SF Express is the first express delivery company in A-share to adopt a direct business model. SF Express is a domestic integrated express logistics service provider, headquartered in Shenzhen. After years of development, it has initially established the ability to provide customers with integrated integrated logistics solutions, not only providing logistics services at the distribution end, but also extending to the production, supply, sales and distribution links at the front end of the value chain. Based on consumer demand, it uses big data analysis and cloud computing technology to provide customers with a package of solutions such as warehousing management, sales forecast, big data analysis and financial management.