The three-year certificate ISO 9001-2000 (Quality management system) had expired and due to the fact that there was an improved version which was ISO 9001-2008, Cheh Plast revised the documents in accordance with the new certificate and successfully defended it in June 2009. The range was widened with the production of windows which were successfully passed the initial tests in the Italian lab Stacione del Vetro.

ISO 9001:2008_9