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    BS 7412

    Yorkshire Trade Windows Limited
    Carr Wood Industrial Estate
    Castleford
    Glasshoughton
    WF10 4PT
    United Kingdom
    BSI logo

    Certificate Number: KM 658260
    Scope: PVC-U Window Fabricator

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2016-09-19 2025-05-20 2025-05-14 2028-05-19