300. According to official website information of Qidong Municipal Government, as of April 26th, 2023, there were more than 300 enterprises in Waigaoqiao Industrial Park. Shanghai Waigaoqiao Group (Qidong) Industrial Park, Shanghai Free Trade Zone Biotechnology Innovation Qidong Cooperation Park and Pudong Zhu Qiao Qidong Industrial Park have successively settled in Qidong High-tech Zone, which are like three "golden keys", promoting the complementary advantages of Shanghai and Shanghai and effectively promoting the adjustment, optimization and upgrading of industrial structure.