Group 1 - The core point of the article is the commencement of the Hainan Free Trade Port's full island closure operation, which began on December 18, marking a significant milestone in trade facilitation [1] - On the first day of closure, the value of imported "zero tariff" goods under customs supervision reached 360 million yuan, primarily consisting of crude oil and aviation equipment [1] - The value of goods subject to relaxed trade management measures for import was 347,000 yuan, mainly related to medical equipment for bonded maintenance [1] Group 2 - For outbound goods, the value of "second line" domestic sales processing value-added goods exempt from tariffs was 14.689 million yuan, with a total tariff exemption of 808,000 yuan [1] - The main categories of exempt goods included medical devices, pharmaceuticals, and food products, involving nine "second line ports" such as Haikou New Port and Haikou Meilan Airport [1]

Group 1 - The core point of the article is the commencement of the Hainan Free Trade Port's full island closure operation on December 18, with significant customs data released by Haikou Customs on December 19 [1] Group 2 - On the import side, the customs supervision recorded "zero tariff" goods worth 360 million yuan, primarily consisting of crude oil and aviation equipment [1] - The value of goods under relaxed trade management measures for imports was 347,000 yuan, mainly related to "two ends outside" bonded maintenance medical equipment [1] Group 3 - For exports, the customs supervision recorded "second line" domestic sales processing value-added goods worth 14.689 million yuan, with a tax exemption of 808,000 yuan, mainly including medical devices, pharmaceuticals, and food [1] - The goods involved in the export process were handled through nine "second line ports," including Haikou New Port, Haikou Port (Macun Port Area), Haikou Meilan Airport, and Yangpu Port [1]