Our website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience. The main content of our website is divided into three major blocks：
1. Upper block、2. Middle of the main content area、3.Bottom block.
Access key guided as below.
Alt+U (IE), Alt+Shift+U (Firefox)
Upper block, containing the main links to the services of this site.
Alt+M (IE), Alt+Shift+M (Firefox)
In the middle of the main content area, this block renders web page content.
Alt+Z (IE), Alt+Shift+Z (Firefox)
Bottom block, containing all of the information of this site.
