The Chinese Backstreet Boys
Also known as "The Asian Backstreet Boys", they apparently call themselves "The Chinese Back Dormitory Boys".
Links to download the video of them lip-syncing to the Back Street Boys' "I Want It That Way":
Seven videos of these guys lip-syncing to various songs, and information about them:
Their Blog (in Chinese):
A web page all about them (in Chinese):
The video of them lip-syncing "I Want It That Way" on Google Videos:
The video of them lip-syncing another Backstreet Boys tune on Google Videos: