CETIH's activity focuses on the housing envelope : Entrance doors : CETIH is leader and specialist in entrance doors for family homes in France (Aluminium, Aluminium / Wood, Steel, Wood and PVC) - Windows : CETIH is a specialist in windows for family homes (Aluminium, - PVC and Rolling shutters) - Steel leaf doors - Energy solutions for the home CETIH employe 950 persons in 7 industrial sites. The Company has 6 brands: Bel'M, Zilten, SWAO, CID, Systovi and Novatech Europe.