Beijing EastkingIntellectual Property Agent Co. Ltd. 　
Beijing Eastking Patent Agent Firm
Beijing Eastking Law Firm
Address:A 24rd FL.,Guoxing Tower,22 Shouti Nanlu,Haidian District, Beijing 100044, China  
Post Code:100044 
Tel:+86-10-51283366 
E-mail：ek@eastking.net
http://www.eastking.net