Invite by a unit of Chinese party for urgent need, having no time to process visa in abroad, can apply for visa at the port of airport with the original of "Notification Form of Visa" of unit authorized by Ministry of Foreign Affairs.
Process port group visas, the host travel services should make pre-application through the homepage of Public Security Bureau in Beijing on the Internet, drawing "Visa Notification Correspondence Form of Group Travel Visas" from Beijing Tourism Bureau after being approved, and process application to visa section at the airport with a seal on it. The validity period is 30 days.
(Beijing Municipal Public Security Bureau October 20, 2006)