权威数读丨海南自贸港“全岛封关”，这些知识要知道

Core Viewpoint - The Hainan Free Trade Port will officially implement a full island customs closure policy starting December 18, 2025, which is a significant step towards expanding openness and accelerating development [1][2][8]. Group 1: Policy Overview - The full island customs closure will establish Hainan Island as a special customs supervision area, characterized by a policy of "one line open, one line controlled, and free flow within the island" [3][4]. - The policy aims to facilitate the flow of people, goods, capital, and data, enhancing the convenience of trade and investment [2][8]. Group 2: Tax and Trade Management Changes - The coverage of "zero tariff" goods will significantly increase from 1,900 to approximately 6,600 tax items, expanding the range of beneficiaries to include various enterprises and non-profit organizations on the island [10]. - The import of "zero tariff" goods will no longer be limited to self-use by enterprises, allowing free circulation among beneficiaries without the need to pay import taxes [11]. Group 3: Impact on Trade and Investment - The policy will implement more favorable trade management measures, allowing for the import of previously restricted goods under specific arrangements [9]. - The establishment of ten "second-line ports" will facilitate the efficient passage of goods entering the mainland, enhancing trade efficiency [9].