Bonsoir,
"Cascade Cartridge Internacional S.A. de C.V., KM. 419.45 Carretera Central, San Luis Potosi, Mexico (Partially owned by CCI of the USA from mid 1960s to early 1990s)"
Source :
https://cartridgecollectors.org/headstamp-codes/
https://forum.cartridgecollectors.org/t/unidentified-22-headstamps/25178