RIWISA AG

RIWISA AG was founded on 11th March, 1946 by Martin Richner, Adolf Wirth and Joseph Sax as one of the first plastic processing company of Switzerland. The company initially made a name for itself with processing of buttons and lavatory-lids made out of thermosetting plastic (Duroplast) and later on with the production of thermoplastic material. Since 1955 RIWISA produced Polyethylene-, Polyamide- and Multilayer Film as well as nonreturnable packagings since 1957. In the following years, the range expanded to include numerous products for different industrial applications.