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Patent
Patent
The company was founded in 1999 More than 150 inventions 25 national patents 7 items are invention patents
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    Add: West side of Lvmiao Road, south of Chuangye Avenue, Economic Development Zone, Zhaodong City, Heilongjiang Province

    Tel:+86-13604805767                 

            +86-451-82583038

    E-mail: dlllx@126.com

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