Manufacturas de Cemento S.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was COP 10,791.007 million compared to COP 8,459.073 million a year ago. Operating income was COP 1,010.127 million compared to COP 471.646 million a year ago. Net income was COP 544.017 million compared to net loss of COP 876.247 million a year ago.