Some online communities on Linkedin, plaxo, and Facebook etc, which are probably of value for your business,espeicially relating to China. If interested, you are welcomed to join and encouraged to make good use of them.

Ⅰ. Investment professional group:

Invest in China (Linkedin)

M&A in China (XING)

Investment in China(Facebook)

Invest in China (plaxo)

China Invest Abroad(Facebook)

China Invest Abroad (Linkedin)

Ⅱ.Legal professional group:

Lawyer search Guide(Linkedin)

Lawyer & China (Linkedin)

Global lawyer(Facebook)

Lawyer in China(Facebook)

Global Lawyer (XING)

Legal Adivisor for Foreigners in Shanghai(Facebook)

Ⅲ Geography Community.

Shanghai, China (Linkedin )

Wonderful Shanghai (Facebook)

Shanghai Business Club(Linkedin)

Ⅳ Alumni Group

Peking University (Linkedin)

Groups on Facebook are looking for officers or administrators ,which are expected to help the groups grow and contribute their expertise to them.