This site is in accordance with the Web Content Accessibility Guidelines (WCAG), provide navigation points (:::), Site Navigator(Site Map), AccessKeys, and other such design methods.

The Accesskeys used by this site are designated as follows：

1. Top Anchor(Alt+U)：Upper block, containing the links to the services of this site.
2. Search(Alt+S)：Search box in every page for searching this site.
3. Center Anchor(Alt+C)：Main block, providing the principal information of the page.
4. Left Anchor(Alt+L)：Left block, providing the links in this site.
5. Bottom Anchor(Alt+F): Disclaimer area, website owner's contact information.

How to Use AccessKey：

• Internet Explorer:Alt+AccessKey.
• Firefox:Alt+Shift+AccessKey.
• Google Chrome:If your operation system is Microsoft Windows, Use Alt+AccessKey. If your operation system is Macintosh(Mac), Use Alt+Option+AccessKey.
• Opera:Shift+Esc+AccessKey.
• Safari:If your operation system is Microsoft Windows, Use Alt+AccessKey. If your operation system is Macintosh(Mac), Use Alt+Option+AccessKey.