The purpose of establishing special economic zones and opening coastal cities in China is to promote economic development, attract foreign investment and technology, and accelerate the modernization process.

This area has unique geographical location and resource advantages. Through the open policy and special treatment, attract foreign investors and multinational companies to set up enterprises in this region, promote trade and technical exchanges, and improve economic competitiveness. This move has played an important role in promoting China's economic reform and development, and has also made positive contributions to the country's modernization process.