The Yangtze River Delta is an alluvial plain before the Yangtze River enters the sea, the largest economic zone in China, the economic center with the strongest comprehensive strength in China, an important international gateway in the Asia-Pacific region, an important advanced manufacturing base in the world, and an area where China takes the lead in becoming a world-class urban agglomeration. According to the Regional Planning of the Yangtze River Delta approved by the State Council on 20 10, the Yangtze River Delta includes Shanghai, Jiangsu and Zhejiang provinces.