Yunnan Tin Company Limited announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was CNY 13,915.485 million compared to CNY 9,314.791 million a year ago. Operating income was CNY 455.766 million compared to CNY 147.460 million a year ago. Net income was CNY 328.951 million compared to CNY 47.837 million a year ago. Basic earnings per share from continuing operations was CNY 0.1999 compared to CNY 0.0291 a year ago.