Maybe that miner is already available in China, but we people from the Western countries don't know about it. Things over there tend to happen way below the radar sometimes. They could be out of those miner by now, if you ask me!
I would highly recommend following this page for more information on their miner:
http://www.iasicminer.com/index.php/action-channel-name-newenYou'll have to deal with the Google Translate barrier unfortunately.