The Pan-Zhujiang River Economic Delta is an economic region that has long enjoyed its internal close ecoˉnomic ties in history,especially Guangdong and Guangxi,which are situated at the core of the region.Historically,Guangdong merchants did business in Guangxi along the Xijiang River and promoted Guangxi’s commercial development,thus making great contribution to Guangxi’s market development.On the other hand,Guangxi,as a rice producing region in history,exported large quantity of rice to Guangdong and Guangxi’s rich forestry resources provided Guangdong’s shipyards with the necessary high-quality wood.