21Vianet (VNET) is the largest carrier-neutral Internet data center services provider in China. 21Vianet provides hosting and related services, managed network services and cloud computing infrastructure, improving the reliability, security and speed of its customers' Internet connections through 21Vianet's Internet infrastructure. Customers may locate their servers and networking equipment in one of 21Vianet's data centers and connect to China's Internet backbone through 21Vianet's extensive fiber optic network. In addition, its proprietary smart routing technology, BroadEx, enables customers' data to be delivered across the Internet in a faster and more reliable manner. Top customers include Youku (YOKU), Tencent (0700.HK), and Renren.
Learn more: http://www.en.21vianet.com/