On February 18, 1985, the Central Committee accelerated the opening up of the coastal economy.On February 18, 1985, the Central Committee of the Communist Party of China and the State Council approved the Symposium Report on the Yangtze River, Yunnan River Delta and Zhejiang Zhejiang River Triangle Region, and decided to open coastal economic opening zones in the Yangtze River Delta, Yunnan River Delta and Zhejiang River Triangle Region.