The American Chamber of Commerce in Guangdong is actively involved in Shenzhen. For more details, see http://www.amcham-guangdong.org or call Executive Director Tim Shaver in Guangzhou at (86-20) 8336 1476.
The Hong Kong Chamber of Commerce in China is similarly engaged in Shenzhen, though more of its events are in Chinese. Call (86-20) 8331 1653, or go to http://www.hkcccgd.org.
The chamber has close ties to the Hong Kong Trade Development Council, which can be reached at (86-755) 8228 0112 or shenzhen.office@tdc.org.hk.
The International Convention and Exhibition Centre has a more detailed calendar of events. See http://www.szcec.com for details.
There are a number of special zones within the Special Economic Zone, the most important of which is obviously the Hi-tech Industrial Park, which has a website at http://www.ship.gov.cn/en/
There are other important parks and bonded zones, however. More information on these can be gained from the Shenzhen Municipal Government, which has a detailed website at english http://www.sz.gov.cn. You can call (86-755) 8210 0086 if you need a voice. If all else fails, try the mayor himself, Xu Zongheng, at xuzh@sz.gov.cn.
The Shenzhen Tourism Bureau has kiosks at the border crossings, and a website at http://www.shenzhenwindow.net.
