CNNC 23 File Delivery Company is a file delivery service company under CNNC 23 Company, which is mainly responsible for the file delivery, sorting and consultation of CNNC 23 Company and its member units. Because the file delivery business is professional and special, the employees of CNNC 23 file delivery company are not their own employees, but they are sent to work in CNNC 23 file delivery company by signing agreements with labor service companies or human resources companies. These dispatched employees are trained and managed by CNNC 23 document delivery company, and complete the corresponding tasks. Therefore, employees of CNNC 23 document delivery company do not belong to their own employees.