原标题：国家管网集团"全国一张网"建设步稳蹄疾 2025年征程过半，国家管网集团全年重点任务目标的冲锋号角愈发嘹亮。这个七月，全国各地的管网工 程项目建设现场处处涌动着如火如荼的奋斗热潮。无数的建设者们，正以饱满的激情和昂扬的斗志，全 力加快"全国一张网"建设，力保每一个项目安全、优质、按期投产。 全国重点工程 川气东送二线，管道全长4269公里，西段于2023年开工建设，已累计焊接超520公里，东段于2025年开 工建设，已累计焊接170公里。 西气东输三线，中段工程起自中卫，终到吉安，全长2090公里。2021年9月开工，目前中卫至枣阳段线 路和阀室主体工程已全部完成，预计今年9月具备投产条件该工程将实现全线贯通。 漳州LNG接收站，2024年5月一期一阶段已投产，目前二阶段正在加紧建设，完成LNG储罐内有关施工 和试验，将于今年8月底具备投产条件。 西气东输四线，管道全长3340公里，年输气能力150亿立方米。6月26日，西气东输四线吐鲁番至中卫段 全线贯通投产。 虎林-长春天然气管道工程，管道全长2073公里，设计年输气能力100亿立方米。2024年1月开工建设， 目前工程主体焊接已完工，将于今年底具 ...

Core Viewpoint - The marine economy of Huizhou County is experiencing steady growth, driven by the development of marine fisheries, coastal tourism, and marine clean energy industries, contributing significantly to the local economic and social development [2][5]. Marine Industry Development - During the 14th Five-Year Plan period (2021-2025), Huizhou County's marine industry is expected to show a steady upward trend, with an overall expansion of the marine economy [2]. - The county has established five major aquaculture bases, including seawater cage farming and oyster farming, leading to a more organized and specialized production model [3]. Coastal Tourism Resources - Huizhou County has issued 124 marine farming permits covering an area of 586.1087 hectares, supporting traditional fishing needs [4]. - The county is developing a deep-sea aquaculture demonstration area with a planned area of 679.3312 hectares, investing in large-scale aquaculture platforms [4]. Multi-Industry Development - Huizhou County has introduced several projects in marine clean energy, including nuclear power and LNG receiving stations, enhancing the region's logistics efficiency and competitiveness [5]. - The county has completed various transportation infrastructure projects to improve connectivity and support the marine economy [6][7]. Environmental Protection Initiatives - The "Beautiful Bay" initiative is being actively promoted, with significant progress in marine protection and the establishment of mangrove restoration projects [8][9]. - A record-breaking carbon credit transaction related to mangrove forests was completed, showcasing the county's commitment to ecological restoration [9]. Project Highlights - The China Yellowlip Sea Bream Genetic Resource Protection and Technology Research Center project has completed an investment of 180 million yuan, with a projected annual output value of 200 million yuan upon completion [10]. - The Huizhou Taipingling Nuclear Power Project is progressing, with the first phase expected to achieve grid connection this year [11].

5月19日至23日，第29届世界燃气大会在北京举行。在国家管网集团互动体验区，一套覆盖全国油气基 础设施的开放服务及交易平台引人关注。据介绍，该交易平台能够实现"需求发布——路径智能匹配"全 流程快速响应，依托于"一票式""一站式"服务，可撬动油气市场主体迅猛增长，助力管网下游用户达到 1300家，托运商客户增至882家，中小托运商服务量增长近10倍，一次入网量由1570亿立方米增至2400 亿立方米。 国家管网集团科技部总经理赵赏鑫表示，科技创新是重构行业生态、推动行业可持续发展的动力源泉。 作为规模全球领先的能源基础设施运营商，国家管网集团愿同全球合作伙伴共筑技术创新联盟、共建绿 色发展生态、共拓全球市场蓝海，谱写能源基础设施高质量发展新篇章。 当前，全球能源转型与科技革命加速推进，油气管道行业正面临安全绿色发展与智能化升级的双重任 务。此次大会期间，多项来自国家管网集团的创新技术应用成果已达国际领先水平。其中，大型长输天 然气管网在线仿真系统破解了制约我国大型油气管网的技术难题，填补国内管网仿真工业产品的空白， 保障了能源数据安全与自主可控，为智能管网建设和能源转型提供了核心技术支撑。此外，LNG接收 ...