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    BS 4873/PAS 24

    The Bi-Fold Door Company Limited
    B D C Architectural Aluminium
    7 Stepfield
    Freebournes Industrial Estate
    Witham
    CM8 3TH
    United Kingdom
    BSI logo

    Certificate Number: KM 668413
    Scope: Enhanced Security Aluminium Window System Supplier

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2017-06-08 2025-04-02 2025-04-02 2028-03-18