sentences:  Tetra Pak's most popular product is the Tetra Brik Aseptic, a best-seller since the 1970s.In May 2011 Tetra Pak launched the first aseptic carton bottle for milk, the Tetra Evero Aseptic.In an interview in Swedish business monthly "Affärsvärlden" in 2006, Tetra Pak CEO Dennis Jönsson defined Tetra Pak's current main competitor as Swiss manufacturer SIG Combibloc, adding that Tetra Pak's main competition generally no longer comes from companies producing similar packaging but from industries and companies producing other types of packaging with a lower cost of production, like the PET bottle.