DUP is a pioneer in the U-PVC window system in Indonesia and has been established since 1996. Under the brands FEGA and FESIA, we produce U-PVC windows and doors for private residential, luxury apartment and five star hotel. Some founder of the company is an expert in field technique graduate German, in 70s era. PT.DUP fabricate profile PVC-u artificial German in a manner exclusive, that supported by Profine Gmbh Kdmmerling Kunstoffe. Kommerling is one of biggest company that produce profile pVC-u No.1 in Europe, that centered in Pirmasens, German.