1. If you want to get some information about Chinese policies for foreign trade investment and economic cooperation, you could click the website:
http://www.mofcom.gov.cn.
http://www.fdi.gov.cn.
2. You could get some information about Chinese companies and commodities from the following ones:
1). http://www.chinamarket.com.cn
2). http://ccn.mofcom.gov.cn
3). http://www.cen.com.cn
4). http://www.tdctrade.com (Hong Kong Companies)
5). http://www.cnta.gov.cn (China Tourism)

3. As for the exhibition in China, we offer the following websites for your reference:
a). Chinese Export Commodities Fair( Canton Fair): http://www.cantonfair.org.cn
b). China High-Teck.Fair: http://www.chtf.com
c). China International Consumer Electronics Show: http://www.sinoces.com
d). East China Fair : http://www.east-china-fair.com
e). China Yiwu International Commodities Fair: http://www.yiwufair.com
f). China Council for the Promotion of International Trade: http://www.ccpit.org
g). China International Fair for Investment & Trade: http://www.chinafair.org.cn