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    BS 7412

    D P Windows Limited
    Unit 4, Dyfrig Road
    Cardiff
    Dyfrig Road Industrial Estate
    CF5 5AD
    United Kingdom
    BSI logo

    Certificate Number: KM 801293
    Scope: PVC-U Window Fabricator

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2025-07-10 2025-07-10 2025-07-10 2028-07-09