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    Focused on improving oilfield crude oil recovery rate for 20 years

    Technological innovation creates the future of enterprises

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    Phone: 86-0534-2625088
    Fax: 86-0534-2627788
    Contact: Mr Zhang
    Phone: 13905342326 18653409988
    Email: huahaimachinery@163.com
    Address: • shandong• Texas economic development zone
    Website: www.wwwdydognet.cn

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