This site is committed to ensuring that its site is accessible to all users. 
Navigation links in this site are grouped into three major blocks: 
1. Top block. 
2. Main content. 
3. Bottom block.
The Accesskeys used by this site are designated as follows: 
Alt+U:Top block, Include links to home page, Sitemap, website search, Chinese Version etc.. 
Alt+C:Main content, providing the principal information of the page. 
Alt+B:Bottom block, include telephone numbers and address of the organization etc..
