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Patent：2021 Optical structural crystal and manufacturing method thereofPatent：2019 Optical structural crystalCertification：ISO 14001（Metal Industries Research & Development Centre (MIRDC)）Certification：ISO 45001（Metal Industries Research & Development Centre (MIRDC)）Certification：ISO 9001（Metal Industries Research & Development Centre (MIRDC)）Certification：TOSHMS（Metal Industries Research & Development Centre (MIRDC)）Phone：07-3516651Main product：Basic chemical materials

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