ONI-Wärmetrafo GmbH
ONI's energy-saving technology has served over 4,900 companies in 65+ countries for 30 years.
Introduction
For the past three decades, ONI has been providing innovative energy-saving technology to its customers. More than 4,900 companies across over 65 countries around the world now benefit from ONI's cutting-edge system technology. This diverse clientele includes small, medium-sized, and large enterprises alike.
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