Niu Technologies (NASDAQ:NIU) Q1 2021 Earnings Conference Call May 17, 2021 8:00 AM ET Company Participants Jason Yang - Manager, Investor Relations Yan Li - Chairman, Chief Executive Officer Hardy Zhang - Chief Financial Officer Conference Call Participants Alexander Potter - Piper Sandler Vincent Yu - Needham & Company Xinchi Yin - CITIC Bin Wang - Credit Suisse Operator Good day ladies and gentlemen. Thank you for standing by and welcome to the Niu Technologies First Quarter 2021 Earnings Conference Call ...