 BEIJING, March 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 fourth quarter ended December 31, 2020. Fourth Quarter 2020 Financial and Operational Snapshots Net revenues were RMB584.6 million US89.6 million, representing a 6.3 increase year-over-year. 