VNET [21Vianet] 6-K: (Original Filing)
[21Vianet Group, Inc. Reports Fourth Quarter and Full Year 2011 Financial Results 4Q11 Net Revenues Up 61.3% YOY to RMB318.3 Million 4Q11 Adjusted EBITDA Up 73.0% YOY to RMB65.1 Million 4Q11 Adjusted Net Profit Up 52.5% YOY to RMB46.3 Million Live Conference Call to be Held at 8:00 AM U.S. Eastern Time, February 28, 2012 BEIJING, February 27, 201221Vianet Group,] [21Vianet Group, Inc. By : Name : Shang-Wen Hsiao Title : President and Chief Financial Officer]