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    About us

    Research and Development

    Technique

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    Quality Control & Testing

      The testing & research institute has more than 30 sets of advanced equipment and 40 professional testing personnel. We have established more than 30 physical and chemical properties testing items covering the process from raw materials to products of optical glass. Approved by China National Accreditation (CNAS) on November 16, 2011, CDGM testing & research institute helps to promote the sustainable development of national optical glass industry.

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