Opto Tech Corporation announced earnings results for the second quarter ended June 30, 2021. For the second quarter, the company announced sales was TWD 1,383.868 million compared to TWD 1,377.915 million a year ago. Operating income was TWD 219.467 million compared to TWD 134.383 million a year ago. Net income was TWD 182.994 million compared to TWD 69.972 million a year ago. Basic earnings per share was TWD 0.49 compared to TWD 0.19 a year ago. Diluted earnings per share was TWD 0.49 compared to TWD 0.18 a year ago. For the half year, sales was TWD 2,967.279 million compared to TWD 2,541.994 million a year ago. Operating income was TWD 501.626 million compared to TWD 267.025 million a year ago. Net income was TWD 428.053 million compared to TWD 191.521 million a year ago. Basic earnings per share was TWD 1.16 compared to TWD 0.51 a year ago. Diluted earnings per share was TWD 1.14 compared to TWD 0.5 a year ago.