Castles Technology Co., Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 794.622 million compared to TWD 877.532 million a year ago. Operating income was TWD 24.745 million compared to TWD 63.259 million a year ago. Net income was TWD 8.767 million compared to TWD 36.951 million a year ago. Basic earnings per share was TWD 0.1 compared to TWD 0.41 a year ago.