12月18日，海南自由贸易港全岛封关运作正式落地。封关首日，南方日报记者兵分四路，从大数据中心到国际枢纽港，从合作园区到航空口岸，在海南全岛 8个对外开放口岸和10个"二线口岸"同步启动的繁忙图景中，探寻粤琼合作在封关时刻的生动实践。 数据在屏幕上流动，货轮在港口穿梭，从海南省大数据发展中心的"智慧中枢"到深儋合作项目正式揭牌开业，从洋浦国际集装箱码头的繁忙泊位到三亚凤凰 机场"零关税"货物高效通关，海南封关运作的历史性时刻，处处跃动着广东元素的脉搏。 12月18日，一艘30万吨级的外籍油轮靠泊海南儋州洋浦港，船上装载的是海南自贸港封关后首批通关的"零关税"货物。陈锴进 陈欢 林泽翔 何嘉琪 邓晓龙 摄 粤琼合作 "广东智慧"助企业乐享"封关即便捷" "各位同事，再核对一遍10个二线口岸的实时数据流，确保信息准确。"12月18日上午，海南省数据大厅内，海南省大数据发展中心封关服务处处长吴晓嘉一 边紧盯着屏幕上跳动的数据流，一边与工作人员进行交流。 这位土生土长的汕头人，是海南封关"最强大脑"的核心建造者之一。他身后的"海南国际贸易单一窗口"，由他和团队攻坚建成，是全国首个自由贸易港全岛 封关运作的智慧支撑平台 ...

Group 1 - The policy promotion conference for private enterprises to participate in the construction of Hainan Free Trade Port attracted over 140 representatives from 100 private enterprises nationwide [4][5] - The conference emphasized the close relationship between Guangdong and Hainan, highlighting the mutual benefits and opportunities for investment in Hainan as it prepares for its full closure operation on December 18 [4][6] - A total of 42 projects were signed during the event, covering sectors such as clean energy, modern agriculture, logistics, digital economy, and high-end commercial finance, with many projects linked to Guangdong enterprises [5][6] Group 2 - Mingyang Group, a leading offshore wind power equipment manufacturer, announced plans to establish a world-class marine energy research institute in Hainan and develop high-end equipment manufacturing and commercial aerospace industries [5][6] - The introduction of the "Several Provisions on Promoting the Development of the Private Economy in Hainan Free Trade Port" has optimized the policy environment, encouraging more Guangdong enterprises to view Hainan as a strategic hub for Southeast Asia and global outreach [6][7] - The cooperation between Guangdong and Hainan is evolving from traditional sectors like tourism and real estate to high-value areas such as technology, energy, and high-end manufacturing [6][7]