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    TEL：0379-67071027
    E-mail：dy@refractory-dy.com
    Address：Mengjin County, Luoyang City, sent Zhuang Zone
    Postcode：471121
    Fax：0379-67071166
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    enCopyright ? 2014 All RightsPerformance Materials Co., Ltd., Luoyang Dayang( All rights reserved）   Yu ICP No. 100 212 504  

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