Top 500 enterprises in the world input huge investment in Ningbo. Ningbo Bureau of Foreign Trade and Economic Cooperation announced on May 28 that according to the statistics till May 22, Ningbo delegation of the 9 th Zhe Jiang Investment and Trade Symposium will sign 123 projects with total investment of US $ 3.903 billion and contracted investment of US $ 1.72. Among the total, 10 projects will be signed with top 500 enterprises in the world, dealing with chemicals, agricultural machinery, 4S workshop, intelligent system etc.