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NOVORAY aims to become an enterprise that provides industrial powder materials and application services to global customers.
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Donghai Silica Powder Passed DNV (Det Norske Veritas) ISO14001:2004 Environmenta

2010.05.30

On May 25, 2010, Lianyungang Donghai Silica Powder Co., Ltd. passed DNV (Det Norske Veritas) ISO14001:2004 Environmental Management System Certification.

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