Founded in January 2000, Wangsu mainly provides Internet content distribution network (CDN) acceleration, global Internet data center ( IDC ) , cloud computing, cloud security, as well as other services. Wangsu was listed on the Shenzhen Stock Exchange in October 2009. Stock code: 300017. 

Wangsu has set up branch companies in Beijing, Shanghai, Guangzhou and Shenzhen, including wholly-owned subsidiaries in the United States, Hong Kong, India, Ireland, Malaysia, Jinan, Hangzhou and Nanjing, and R&D centers in Xiamen , Shenzhen and the Silicon Valley (United States). Currently, Wangsu employs approximately 4,000 workers; more than 60% of them are R&D and technical personnel. In 2017, Wangsu acquired global CDN companies like CDNNetworks and CDN-Video. Currently its global nodes exceed 1500, covering 70 countries and regions in Asia, America, Oceania, Africa and Europe. 

The customer base covers various Internet portals, audio and video websites, game companies, e-commerce websites, government websites and carriers. Wangsu serves over 3,000 large and medium-sized clients, making it the largest company in the industry in terms of customer base and market coverage.