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    Contact Information

    • Longsung Technology (Shanghai) Co., Ltd.
      Room 606, Zone B, Building 1, No. 3000, Longdong Avenue, Pudong District, Shanghai, China
    • Tel.
      +86-21-50809688
    • E-mail
      sales@longsung.com
    • Website
      www.droodonbroadway.com

    Business Locations in China

    • Beijing Office

      Emai:bj-sales@longsung.com
    • Shanghai Headquarters, R&D Center

      Emai:bj-sales@longsung.com
    • Xi'an R&D Center

      Emai:bj-sales@longsung.com
    • Shenzhen Sales Center and Production Base

      Emai:bj-sales@longsung.com
    • Wuxi Innovation Center and Test Base

      Emai:bj-sales@longsung.com
    • Hong Kong Overseas Purchasing and Marketing Center

      Emai:bj-sales@longsung.com
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