1921 : The « Mécanique et Manufacture de Cuivre et Bronze » is established by Francis Guichon in Aix-les-Bains, Savoy

1933 : The company manufactures equipments for the spa town of Aix-les-Bains

1956 : First diversifications towards the chemical industry (use of fabricated technology)

1972 : Installation on a new site in Aix-les-Bains

1974-1991 : Subsidiary of Gachot S.A.

1991 : ISO 9001 certification

1992 : Guichon recovers its independance under the name of Guichon International

2002 : Take-over and funding of the company by Guichon valves

2003 : IS0 9001 v. 2000 certification

2003 : Reinforcement of the team and tools of the design department

2004 : Development of the TLV3 valve with the support of the French Agency for Innovation

2005 : Implementation of a new fully integrated ERP software

2006 : Acquisition of a fluid flow analysis software (EFD.Lab)