Core Viewpoint - Hainan Free Trade Port will implement a full island closure operation characterized by a policy system of "one line open, one line controlled, and free within the island" [1] Group 1 - The policy aims to enhance the liberalization and facilitation of trade and investment in Hainan [1] - The operational framework will focus on balancing openness and control to optimize economic activities [1]

Core Viewpoint - The implementation of full island closure operation in Hainan Free Trade Port is a landmark project and an important measure to further expand openness, characterized by the policy of "one line open, two lines controlled, and free flow within the island" [1] Group 1 - The full island closure operation is a significant milestone in the construction of Hainan Free Trade Port [1] - The policy features "one line open," which allows for a series of free and convenient entry and exit measures between Hainan Free Trade Port and other countries and regions outside China's customs [1] - The "two lines controlled" aspect refers to precise management of the content that is opened up in the "one line" between Hainan Free Trade Port and the mainland [1] - The "free flow within the island" indicates that various factors can circulate relatively freely within Hainan Free Trade Port [1]