PatentSino IP firm
      4th floor, Zhongyuan Technology Building 3,No. 53 Xiaoying North Road,
      Chaoyang District, Beijing 100101, P. R. China.
      TEL: (+86)10-84109559    84109556
      FAX: (+86)10-84109553
                
      PatentSino IP Firm (Hefei Office)
      Suite 1104, Building B1, Innovation Industrial Park No. 800 West Road of Wangjiang,
      High Tech Industrial Development Zone, City of Hefei 230088, Anhui province, P.R.China.
      TEL: (+86)551-65189559    65189569
                
      PatentSino IP firm (Xi’an office)
      Suite 608, Huading Guoji Building 1, No 31 Technology Six Road,
      High Tech Zone, Xi'an, Shanxi Province,710065 P.R.China.
      TEL: (+86)29-81109344    81109345
                
      PatentSino IP firm (Dalian office)
      Suite 15A08, Dongmanyou Industrial Building No.10 Huoju Road,
      High-Tech Industrial Zone,Dalian 116011, Liaoning, P. R. China.
      TEL: (+86)411-65919706    65919708
                
      PatentSino IP firm (Tianjin office)
      Room 17A02, Pengzhan Feiwo Building, Intersection of YaleRoad and Yaolin Road,
      Liqizhuang Street, Xiqing District,Tianjin 300380, P. R. China.
      TEL: (+86)22-27027196    27027198