Tons Lightology Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 219.371 million compared to TWD 128.195 million a year ago. Operating income was TWD 18.824 million compared to operating loss of TWD 8.376 million a year ago. Net income was TWD 434,000 compared to net loss of TWD 44.279 million a year ago. Basic earnings per share was TWD 0.01 compared to basic loss per share of TWD 1.13 a year ago.