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  • ISO 14001:2015
    ISO 14001:2015
  • ISO 9001:20115
    ISO 9001:20115
  • Certificate of Conformity of the Factory Production Control
    Certificate of Conformity of the Factory Production Control
  • OHSAS 18001:2007
    OHSAS 18001:2007
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  • Global Suppliers Network of Sinopec Corp
    Global Suppliers Network of Sinopec Corp
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