Jiangsu Rutong Petro-Machinery Co. Ltd. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was CNY 64.280 million compared to CNY 62.276 million a year ago. Operating income was CNY 16.026 million compared to CNY 14.196 million a year ago. Net income was CNY 13.545 million compared to CNY 11.901 million a year ago. Basic earnings per share from continuing operations was CNY 0.07 compared to CNY 0.06 a year ago.