For more than 60 years von Oertzen GmbH of Ammersbek, Germany, has been specializing on water jetting systems for industry and commerce. 20 years ago OERTZEN FIRE-TEC began to build high pressure fire extinguishers – being the first company worldwide. High pressure fire extinguishers of OERTZEN FIRE-TEC put out fire by atomization of water – removing the fire’s energy, cooling down and suffocating it.