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The 13th Investment & Trade Forum for Cooperation between East and West China (ITFCEW) opens at Qujiang International Conference and Exhibition Center in Xi'an, capital of Shaanxi province on April 5, 2009. All the 31 provinces, municipalities, autonomous regions, HK, Macao and Taiwan participate in this largest trade fair in the western Chinese region. It will end on Wednesday. [chinadaily.com.cn/Du Wenjuan]