China InteRail Expo is a national professional exhibition approved by the CPC Central Committee and the State Council and jointly organized by China Council for the Promotion of International Trade (CCPIT) and the People's Government of Hunan Province. The Expo is the first national-level international professional exhibition in the field of rail transit equipment manufacturing in China. InteRail 2021 will take place in Zhuzhou, Hunan Province in November 2021, themed by "Smart Rail Connecting the Future", InteRail 2021 will focus on one exhibition, one plenary forum, and other  supporting activities. And the five pavilions are designed for displaying rail transit equipment manufacturing, rail transit key parts and raw materials, Hunan rail transit achievements and future plan, rail transit construction, as well as intelligent system, operation maintenance and design consultancy.