trademark patent copyright lawsuit Consultant patent attorney trademark attorney solicitor

Consultant Consultant|INFO   Prof. Dr. Xiang Yu   Addr: 12F, Bldg .C, Tri-Tower, No. 66, Zhongguancun East Rd., Haidian District, Beijing, China, 100190 Tel: +86-10-51282900 51260867    Fax: +86-10-51260287 E-mail: info@bjhzcx.com      web:www.bjhzcx.com