Chongqing International Expo Center is located in the center of Liangjiang New District, Chongqing City, Yuelai Convention and Exhibition City, on the south bank of Jialing River, covering an area of ??1.2 million square meters. In line with the construction standards of international large-scale exhibition centers, aluminum alloy profiles are selected for the grille part, which is the world's largest aluminum construction project. At the same time, it also created a precedent for aluminum profiles as the main structural parts of buildings.