Choose your language
    To see all available website languages, please go to our Homepage
    Login
    homepageLogo
    TREFZ GmbH

    TREFZ GmbH

    GQZ (GEALAN quality certificate)

    Contact

    Address

    Weidäcker 1 , Wüstenrot-Weihenbronn, 71543

    Phone

    +49 (0) 7945 - 91 00-0

    Fax

    +49 (0) 7945 - 91 00-90

    Emailinfo@trefz-fenster.de
    Websitehttps://www.trefz-fenster.de/

    Gealan

    The GEALAN corporate group is of Europe's leading manufacturers of vinyl profiles for windows and doors.

    ©2025 GEALAN Fenster-Systeme GmbH
    About GEALAN
    Products
    GEALAN Partners
    ©2025 GEALAN Fenster-Systeme GmbH