Five Z-8's (SA-321 Super Frelon) visible on the ramp.
Two huge buildings under construction in 2005 imagery now completed.
References indicate this will be the factory for the new WZ-10 attack helicopter.
http://en.wikipedia.org/wiki/Changhe_Aircraft_Industries_Corporation
http://www.airliners.net/photo/China---Air/Changhe-Z-10/2185390/&sid=dfd9a38fa4437f6f93e0bb3b668efa96