封关不是封岛，更便捷！海南自贸港开放力度更大、产业体系更优

Core Viewpoint - The Hainan Free Trade Port will officially start its customs closure on December 18, 2025, aiming to enhance international connectivity and facilitate trade and investment [1][3]. Trade Policy Measures - The implementation of a more favorable "zero tariff" policy will increase the proportion of zero-tariff goods from 21% to 74%, allowing for tax-free circulation of goods within the island [1][4]. - Trade management measures will be relaxed, allowing for open arrangements for certain currently prohibited or restricted imports [2][4]. - The establishment of ten "second-line" ports will facilitate the passage of goods entering the mainland, enhancing efficiency in customs procedures [2][4]. Regulatory Framework - A high-efficiency regulatory model will be adopted for zero-tariff goods, ensuring low intervention and high efficiency in supervision [2][4]. - The policy documents related to these measures will be published shortly and will take effect on the day of the full customs closure [2][4]. Economic Impact - Hainan's actual foreign investment reached 102.5 billion yuan, with an annual growth rate of 14.6%, indicating a robust economic environment [10]. - The proportion of the four leading industries (tourism, modern services, high-tech industries, and tropical agriculture) in Hainan's GDP has increased by 13.7 percentage points over five years, now accounting for 67% of the total [11]. Infrastructure and Preparedness - The necessary infrastructure for customs closure has been completed and passed national inspections, ensuring readiness for the new policies [11]. - Comprehensive pressure testing is being conducted to ensure that the new policies can be effectively implemented while maintaining regulatory oversight [11].