Arrête de Polluer,
Commence à Économiser !
Notre histoire
1.Exhibition in Hannover (Germany)
2.NED Belgium-1997
3. SAE J1321 - Bruxelles-1997
4. First opacimeter in Porto Alegre (BR)-1998
5. 1st NED Portugal (SETUBAL)-1998
6. Buenos Aires-2001
7. ED China-2002
8. 1st NED Argentina (Buenos Aires)-2003