This website is built according to the principles of accessible web design.

The main content of the website is divided into three major sections:
1.Upper block, 2.Central block, 3.Footer block.

The shortcut keys on this website (Accesskey) are set as follows:
Alt+U：Upper block, containing the links to the services of this site.
Alt+C：Center block, providing the principal information of the page.
Alt+Z：Footer block, providing the principal information of the page.

Note: Use Alt for Internet Explorer accesskeys, and Shift+Alt for Firefox.