Production of Rio Chaise by Oscar Niemeyer  

I am doing some research on the Rio Chaise lounge designed by Oscar Niemeyer and his daughter in 1978. It was originally produced by Tendo in Brazil but I can't seem to find out how long they were producing it. It seems now an Italian company Fasem is producing it but again I can't find since when. Also another company called Tepperman was contracted by Oscar and his daughter in early 2000s and made some prototype in different wood that is light color. Any expert in this subject and collector of his knows the detailed outline of the production history of this extraordinary piece? Many thanks!