Have you ever been to Shanghai?It is China's largest city,one of the four municipalities directly under the central government,the Chinese National Center City,Chinese economy,science and technology,industry,finance,trade and shipping center,exhibition.Shanghai is located in China's mainland coastline in Central Yangtze River Estuary,China has the largest foreign trade port and the largest industrial base.Separates the sea and Japanese island across the sea,Hangzhou bay to the south,and Jiangsu to the west,Zhejiang two provinces.Shanghai port cargo throughput and container handling capacity all ranks the world the first.Shanghai is also an emerging tourist city,the modern city with profound cultural foundation and numerous historical monuments,and the success of the World Expo 2010.