Stefan Papirow

Dingfelder + Hadler AG specializes in safe smoke extraction and contemporary ventilation solutions. The private company is based in Ammersbek, Germany. The German company also offers skylight solutions and are a reliable partner for RWA systems, elevator shaft ventilation, natural building ventilation, and protective technology and gate drives. The CEOs of the company are Christoph Kern, Dirk Dingfelder.

Part of D+H Mechatronic AG, D+H Deutschland GmbH is a German company that specializes in trend-setting bus communication. The company is based in Ammersbek, Germany. The company offers AdComNet and ACB, which are efficient communication networks for complex SHEV and ventilation scenarios. The CEOs of the company are Thomas Rößler, Friedrich-Wilhelm Reckfort, Dirk Dingfelder.