Good Will Instrument Co., Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was TWD 586.001 million compared to TWD 537.355 million a year ago. Operating income was TWD 78.914 million compared to TWD 65.945 million a year ago. Net income was TWD 66.296 million compared to TWD 62.320 million a year ago.