1952 The first brand optical cleaning products is created: Opticil, dry paper book entangled.
1953 Marketing a "soap" in the fog Sinett brand.
1965 The first spray Siclair starts.
1970 The Sinett impregnated wipes will revolutionize cleaning products.
1979 cleaning sprays and pockets under the Optinett brand.
1982 Range Prophot for cleaning optical sighting and ranging accuracy.
2004 The company Si-International is leading opticians in France.
2005 Si-International awarded ISO 9001/2000 certification and its renewal in 2008 version.
2011 Si-International awarded ISO 14001 (environment)