The China Nanjing Software and Information Service Trading Fair (CIS, abbreviated as: Nanjing Soft Expo) is a professional exhibition for the software industry hosted by the People's Government of Jiangsu Province, co-organized by the People's Government of Nanjing City and the Jiangsu Provincial Department of Industry and Information Technology.

Since its inception in 2005, the Nanjing Soft Expo has become one of the largest, most international, and most influential international ICT exhibitions in China. It has been repeatedly rated as one of the "Top 10 Well-Known Brand Exhibitions in China", "Top 10 Most Influential Brand Exhibitions in China", "Top 10 Influential Professional Exhibitions in China", and "China Exhibition Star Product Award". (The content of this article belongs to Juzhan Network, unauthorized forwarding is prohibited)

The Nanjing Soft Expo is themed "Software Defines New Infrastructure", and through hosting new product exhibitions, forums, negotiations, talent recruitment, and other series of activities, it builds a platform for cooperation and exchange between software and information service enterprises and user enterprises. It promotes the in-depth integration of leading-edge information technologies such as artificial intelligence, big data, blockchain, and the Internet of Things with the real economy, accelerates the upgrading of Nanjing's software city, and builds a world-class digital economy city, making positive contributions to the high-quality construction of "Strong, Rich, Beautiful, High" Nanjing.

The Nanjing Soft Expo last year covered an area of 1 million square meters, with more than 1,200 companies from over 30 countries and regions participating. It held 1 main forum, 1 entrepreneurship and innovation competition, 1 project signing ceremony, and over 20 related thematic forums and business matching activities, attracting over 120,000 visitors. The exhibition emphasized transactional nature, with on-site transactions of software products and information services exceeding 3 billion yuan. More than 500 software talents reached employment intentions with recruiting companies. A total of 86 projects were signed during the exhibition, with a total investment amount reaching 33.7 billion yuan, setting a new historical high.

Notable exhibitors at past events include IBM, Oracle, Linkage Group, Founder Group, ZTE, Huawei, China Telecom, Bank of Communications, China Communication Services, Baosteel Software, Zhongchuang Software, Tsinghua Tongfang, Wenshi Haihui, Dalian Huaxin, China Digital, Tai Tong Technology, Nanrui Jibao, etc.