Sunlands Technology Group (NYSE:STG) Q2 2019 Results Earnings Conference Call August 23, 2019 7:30 AM ET Company Participants Yingying Liu - Investor Relations Director Tongbo Liu - Chief Executive Officer Steven Yipeng Li - Chief Financial Officer Conference Call Participants Timothy Zhao - Goldman Sachs Operator Ladies and gentlemen, thank you for standing by. And welcome to Sunlands’ Second Quarter 2019 Earnings Conference Call. At this time, all participants are in a listen-only mode. After prepared rem ...