If you don't reside or work in China permanently, you are required to apply Chinese visa from the Embassy or Consulate-General of the Peoples' Republic of China in your resident country. You are welcome to China for tourism, business and academic exchange.

Please visit the website of the Ministry of Foreign Affairs of the People's Republic of China for more information.
Chinese Embassies: http://www.fmprc.gov.cn/eng/wjb/zwjg/2490/