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 - ...