Hydraulic Elements and Systems AD announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was BGN 303,000 compared to BGN 293,000 a year ago. Operating income was BGN 2.047 million compared to BGN 1.946 million a year ago. Net income was BGN 1.842 million compared to BGN 1.751 million a year ago.