Ruentex Engineering & Construction Co., Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 4,627.426 million compared to TWD 2,723.923 million a year ago. Operating income was TWD 465.036 million compared to TWD 85.201 million a year ago. Net income was TWD 369.551 million compared to TWD 84.601 million a year ago. Basic earnings per share was TWD 2.74 compared to TWD 0.63 a year ago. Diluted earnings per share was TWD 2.73 compared to TWD 0.63 a year ago.