The First
Service Department

  Add: No.44 Guanghua Lu , Chaoyang District, Beijing 100020

  Tel: 65324651

  Fax: 65024076

The Second Service Department

  Add: No.44 Guanghua Lu , Chaoyang District, Beijing 100020

  Tel: 65042672

  Fax: 65042696

The Third Service Department

  Add:No.3 Sanlitunxiliujie, Chaoyang District, Beijing 100027

  Tel: 64638359

  Fax: 64638212

The Fourth Service Department

  Add:No.3 Sanlitunxiliujie, Chaoyang District, Beijing 100027

  Tel: 64638290

  Fax: 64638456