Niu Technologies (NASDAQ:NIU) Q4 2019 Earnings Conference Call March 16, 2020 8:00 AM ET Company Participants Jason Yang - Investor Relations Manager Yan Li - Chief Executive Officer Hardy Zhang - Chief Financial Officer Conference Call Participants Winnie Dong - Piper Sandler Vincent Yu - Needham & Company Bin Wang - Credit Suisse Operator Ladies and gentlemen, thank you for standing by. And welcome to the Niu Technologies Fourth Quarter 2019 Earnings Release Conference Call. At this time, all participants ...