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    BS EN 1057

    Nungwon Metal Ind. Co., Ltd. (NWM)
    314-1 Doha-ri
    Eunhyeon-myeon
    Geonggi-Do
    Yangju-si
    482-860
    South Korea
    BSI logo

    Certificate Number: KM 599670
    Scope: Copper and copper alloys. Seamless, round copper tubes for water and gas in sanitary and heating applications

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2014-05-06 2024-01-08 2024-01-08 2026-12-21