21Vianet Group, Inc. (NASDAQ:VNET) Q4 2020 Earnings Conference Call March 23, 2021 8:30 PM ET Company Representatives Samuel Shen - Chief Executive Officer, Executive Chairman of Retail IDC Sharon Liu - Chief Financial Officer Rene Jiang - Investor Relations Director Conference Call Participants Yang Liu - Morgan Stanley Tina Hou - Goldman Sachs James Wong - UBS Arthur Lai - Citi Edison Lee - Jefferies Kyna Wong - Credit Suisse John Choi - Daiwa Capital Markets Chris Ko - DBS Ethan Zhang - Nomura Tina Hou - ...

21Vianet Group, Inc. (NASDAQ:VNET) Q3 2020 Earnings Conference Call November 24, 2020 8:00 PM ET Company Participants Alvin Wang - Chief Executive Officer & President Samuel Shen - Executive Chairman, Retail IDC Business Group Sharon Liu - Chief Financial Officer Rene Jiang - Director of Investor Relations Conference Call Participants Yang Liu - Morgan Stanley Edison Lee - Jefferies James Wang - UBS Arthur Lai - Citi Tina Hou - Goldman Sachs John Choi - Daiwa Capital Market Colin McCallum - Credit Suisse Co ...

21Vianet Group, Inc. (NASDAQ:VNET) Q2 2020 Earnings Conference Call August 19, 2020 8:00 AM ET Company Participants Rene Jiang - Director of Investor Relations Shiqi Wang - President and Chief Executive Officer Sharon Liu - Chief Financial Officer Conference Call Participants Yang Liu - Morgan Stanley James Wang - UBS Investment Bank Colin McCallum - Credit Suisse Xin Yang - China International Capital Corporation Limited Yu Sang Lee - Jefferies LLC Chris Ko - DBS Vickers Securities Tina Hou - Goldman Sachs ...

21Vianet Group, Inc. (NASDAQ:VNET) Q1 2020 Earnings Conference Call May 14, 2020 8:00 PM ET Company Participants Rene Jiang - Director, Investor Relations Alvin Wang - President & Chief Executive Officer Sharon Liu - Chief Financial Officer Conference Call Participants Edison Lee - Jefferies Yang Liu - Morgan Stanley Jonathan Atkin - RBC Capital Markets Operator Good morning and good evening, ladies and gentlemen. Thank you, and welcome to 21Vianet Group's First Quarter 2020 Earnings Conference Call. With u ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F (Mark One) o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019. OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 OR o SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITI ...