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        CN
        Contact+
        • Headquarters Hotline: 400-010-0111
          Branch Hotline: 400-010-0111
        • Email:Zhuliang@bdtech.net.cn
          Email2:Zhuliang@bdtech.net.cn
        • Address1: 北京市海淀區學清路9號匯智大廈B座506
          Address2: 北京市海淀區學清路9號匯智大廈B座506