Visitors to China may need to apply for a Chinese visa. You are advised to check thoroughly the requirements relevant to the passport you are holding.

Conference participants who require a letter from China for the application of visa, please kindly send an email to airs04rg@microsoft.com of the local organizing committee, giving them your name, affiliation, profession, nationality, passport number, fax number, and corresponding address. They will prepare the necessary document for you.

Information for visa application can be found from the website of the Ministry of Foreign Affairs of the People's Republic of China. Further details can be obtained from your nearest Chinese visa authorities.

The overseas Chinese visa authorities are Chinese embassies, consulates, visa offices, the consular department of the Office of the Commissioner of the Ministry of Foreign Affairs in HKSAR, and other agencies abroad authorized by the Ministry of Foreign Affairs of China. If a foreigner intends to enter into, exit from or transit through the Chinese territory, he shall apply to the above-mentioned Chinese visa authorities for a Chinese visa. For further information, please consult the nearest Chinese visa authorities.

Useful links to visa information from Embassy or Consulate-General of the PRC in various regions:
Japan (http://www.china-embassy.or.jp/jpn/c3489.html)
South Korea (http://www.chinaemb.or.kr)
Australia (http://www.chinaembassy.org.au/eng/ls/default.htm)
Canada (http://www.chinaembassycanada.org/eng/lsfw/default.htm)
USA (http://www.china-embassy.org/visa/index.htm)

A list of all Chinese Embassies in other regions can be found at here.