QST International Corp. announced earnings results for the full year ended December 31, 2019. For the full year, the company announced sales was TWD 9,925.200 million compared to TWD 10,840.288 million a year ago. Operating income was TWD 374.899 million compared to TWD 820.964 million a year ago. Net income was TWD 251.235 million compared to TWD 627.295 million a year ago. Basic earnings per share was TWD 2.16 compared to TWD 5.43 a year ago. Diluted earnings per share was TWD 2.08 compared to TWD 5.11 a year ago.