 BEIJING, March 23, 2021 GLOBE NEWSWIRE -- 21Vianet Group, Inc. Nasdaq: VNET 21Vianet or the Company, a leading carrier- and cloud-neutral Internet data center services provider in China, today announced its unaudited financial results for the fourth quarter ended December 31, 2020. The Company will hold a conference call at 8:30 P.M. on Tuesday, March 23, 2021, U.S. Eastern Time to discuss the financial results. Dial-in details are provided at the end of this release. 