Sparkice is a tool for both buyers of products from, and suppliers of products to China. The site features contact information for service providers as well as other trading tools.
http://www.sparkice.com

China Council for the Promotion of International Trade (CCPIT) China Chamber of International Commerce (CCOIC)
Contacts:
Rui (Tony) Guo
Tel: (020)86578331 - 1969
Email: ccpitld@public.guangzhou.gd.cn

Lorelei (X.H.) Liu
Section Chief Liaison Department
Tel: (020)87305323

Sheliv Xie
Section Chief Membership Department
Tel: (020)87302806
Email: ccpit@mx.gzic.gd.cn

The U.S. Department of Commerce hosts a website featuring information on services, international and domestic trade shows, exporting resources, and market research including country commercial guides and international contact information.
http://www.usatrade.gov