 BEIJING, March 02, 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 that it plans to release its fourth quarter and full year 2020 financial results on Tuesday, March 23, 2021, after the market closes. The Company will hold a conference call at 8:30 P.M. on Tuesday, March 23, 2021, U.S. Eastern Time, or 8:30 A.M. on Wednesday, March 24, 2021, Beijing Time, to discuss the financial results. 