In July 2006, the Danfoss Group entered into an agreement for the acquisition of Hago Manufaturing Co., Inc., which produces steel nozzles for large and small oil burners and for other industrial applications. Hago will be part of Danfoss Burner Components which, in addition to oil nozzles, supplies other components and solutions for oil burners. With the acquisition of Hago, Danfoss will strengthen its position as the worldâs leading supplier of oil nozzles Hago Industrial makes nozzles for virtually every type of oil burner, as well as specialty nozzles for aerospace and industrial applications. And we never stop searching for better nozzle designs. The firm's exclusive Ribbed Filter is a proprietary innovation that provides the largest filtration area in the industr