ECO Schulte develops and manufactures door-closer technology, electro-mechanical hold-open systems, hinges and panic and locking hardware used on fire and smoke doorsets. It publishes a CPR Certificate of Constancy of Performance issued by a notified body, number CPR-00099-01, covering its GBS door-closer families, and supplies the DIBt-compliant Prüfbuch that hold-open devices require under the DIBt guideline and DIN 14677.