A Guide to 2011 Yiwu Fair    2011 China Yiwu International Commodities Fair will be held at Yiwu International Expo Center from Oct. 21 to 25. 2011 The new expo center is landmark architecture for building Yiwu as a well known international trade city and an international commodities exhibition center.  Building area of more than 296 thousand square meters, China Commodity City Exhibition Center is built with a total investment of 1.8 billion...