2006 CeBIT   

March 9-16,2006 GERMANY   

          C23-5.Hall 24

2007 April 15-23,2007  

GuangZhou CHINA  

     Hall25.2C16  

2007 October 15-20,2007  

GuangZhou CHINA  

     Hall 25.0.D35 

            2008 CeBIT   

March 04-09,2008 GERMANY   

                                             H19B17-22