Introduction to the Light of Industry: The "Light of Industry" exhibition hall is located on the first floor of the annex building of the Science and Technology Museum, with an exhibition area of 3,245 square meters. The exhibition hall vividly displays important scientific and technological achievements in the process of Chongqing's industrial development, highlighting the scientific and technological achievements of Chongqing's old industry, modern industry and pillar industries such as electric energy, automobiles and motorcycles, equipment industry, heavy chemicals and electronics, allowing the audience to understand the history of Chongqing's industrial development. History, feel the role of science and technology in promoting the process of industrialization, and appreciate the elegance of industry in promoting Chongqing's economic and social development.