Dear basri,
Thanks for visiting our website. I am Peggy from Top China Travel to solve your question.
It is our pleasure to give you some China ASEAN Expo tips and information. We may be not professional in this expo service but we can find some useful information for you. Detailed information about 2011 China ASEAN Expo can be found in
http://eng.caexpo.org/exhibitors/t20060802_73366.html
And here is their contact information from their official website:
Customer Hotline: +86-771-12343
Email: webmaster@caexpo.org
Address: No. 98 Zhuxi Avenue, Nanning, Guangxi, P.R. China
Postcode: 530021
We could help you to book Nanning hotel and arrange your Nanning tours if you are planning to join in this expo as well as travel around Nanning.
Best regards
Peggy Jiang
Top China Travel