 BEIJING, Aug. 18, 2021 PRNewswire -- Sunlands Technology Group NYSE: STG Sunlands or the Company, a leader in Chinas online post-secondary and professional education, today announced its unaudited financial results for the second quarter ended June 30, 2021. Second Quarter 2021 Financial and Operational Snapshots Net revenues were RMB629.5 million US97.5 million, representing a 22.8 increase year-over-year. 