The World Bank Delegation on "Upgrading Competitiveness of the Soft Industry in African Countries" has paid a visit to CDI. The delegation was aimed at learning experiences of the Shenzhen government's policy on encouraging enterprises to develop processing trade upon the establishment of Shenzhen Special Economic Zone. Dr. Qu Jian, Vice President, and Dr. Liu Rongxin, Director of Department of Regional Development Planning have introduced the evolution of the four generations of Industrial Parks in China and made a comparative analysis on their business models,planning orientations as well as the planning criteria.