Promaster Technology Corp. announced earnings results for the half year ended June 30, 2021. For the half year, the company announced total revenue was TWD 2,291.614 million compared to TWD 1,813.425 million a year ago. Operating income was TWD 54.789 million compared to TWD 28.571 million a year ago. Net income was TWD 42.747 million compared to TWD 17.431 million a year ago. Basic earnings per share was TWD 1.01 compared to TWD 0.43 a year ago. Diluted earnings per share was TWD 1 compared to TWD 0.43 a year ago.