AWS has a press release detailing the arrival of AWS to China.

PRESS RELEASE

Dec. 18, 2013, 3:22 a.m. EST

Amazon Web Services Announces Upcoming China Region for its Cloud Computing Platform

AWS signs memorandums of understanding with the Beijing and Ningxia governments to develop cloud computing services

SEATTLE, Dec 18, 2013 (BUSINESS WIRE) -- --Xiaomi, Qihoo 360, TCL, Tiens, NQ Mobile, FunPlus, Kingsoft, Mobotap, and Papaya Mobile among the growing Chinese business community already using AWS

AMZN +1.03% -- Amazon Web Services, Inc. (AWS, Inc.), an Amazon.com company, today announced the upcoming limited preview of its China Region for the AWS cloud computing platform. This will be the fourth AWS Region in Asia Pacific and the tenth Region globally. In the limited preview, which will be deployed in early 2014, a select group of China-based and multinational companies with customers in China will be invited to begin using AWS Cloud services in the AWS China Region to build their businesses and run their applications in the cloud. Businesses and software developers can apply for access to the limited preview in the AWS China Region today athttp://www.amazonaws.cn .

One nugget in the AWS blog is the business is a bit different in China than other sites.

Our business model will be slightly different here than in the other AWS Regions. You will need to create an AWS account that is specific to the Region. We will be posting additional information on AWS China website as it becomes available.

Here is the news China AWS site. Below is the site with Google Translate to english.