Rang Dong Light Source & Vacuum Flask Joint Stock Company announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was VND 1,532,210.000 million compared to VND 1,107,060.000 million a year ago. Operating income was VND 140,842.000 million compared to VND 93,273.987 million a year ago. Net income was VND 109,988.000 million compared to VND 75,367.045 million a year ago. Basic earnings per share from continuing operations was VND 9,108.71 compared to VND 6,553.66 a year ago.