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    ISO 9001:2015

    Tokuyama Chemicals (Zhejiang) Co., Ltd.
    No. 555, Yashan West Road
    Jiaxing
    Zhapu Economic Development Zone, Port
    314201
    China
    BSI logo

    Certificate Number: FM 537637
    Scope: The development and manufacture of fumed silica. The manufacture of trichlorosilane, silicon tetrachloride, hydrochloric acid, isopropanol, Tetramethylammonium Hydroxide.
    气相二氧化硅的研发和生产。三氯硅烷、四氯化硅、盐酸、异丙醇和四甲基氢氧化铵的生产。

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2009-12-08 2024-12-06 2024-11-14 2027-12-05