【环球网报道 记者 张寒玥】八月的厦门同安湾畔，热潮涌动。8月28日，以"四链共融 智汇新篇"为主题的2025厦门新能源产业"四链融合"对接会在同安区 波特曼佰翔酒店举行。这场汇聚了产业链上下游企业、专家学者与投资机构的盛会，正成为同安区推动创新链、产业链、资金链、人才链深度融合，打造新 能源产业高地的生动缩影。 同样发挥龙头作用的还有海辰储能。2025年上半年，海辰储能跃升至全球储能电池出货量排名第二、全球电力储能出货量排名第二，其构建的研发、产品、 产能、供应链、营销、交付与运维服务全链条全球化布局，为同安新能源产业集群注入强劲动力。在其带动下，中科华联锂电隔膜、科达利结构件等上游企 业，以及和储能源等下游企业纷纷落地同安，形成从原材料到终端应用的完整产业链条。 从2022年产业链产值81.9亿元，到2024年突破335.4亿元，再到2025年同比增长近80%——一组组跨越式增长的数据，不仅勾勒出同安新能源产业"每年百亿 级"的跃升态势，更印证了"四链融合"实践在这片热土上的显著成效。如今，同安正以新能源产业为"一号工程"，加速构建具有区域影响力和竞争力的产业 集群，力争成为厦门高质量发展的重要增长极和全 ...

Core Insights - The article highlights the recognition of seven companies in the lithium battery supply chain as part of the 2025 Fortune China Technology 50, showcasing China's strong position in global technology innovation and market influence [2] Upstream Materials - Wanhu Chemical's inclusion emphasizes breakthroughs in core chemical materials, being the only Chinese company with independent MDI production capabilities [4] - The company has achieved mass production of its fourth-generation lithium iron phosphate and has plans to expand its production capacity from 50,000 tons/year to 120,000 tons/year [5] - Wanhu Chemical is also establishing a localized supply chain for battery materials in Europe through a memorandum with ElevenEs [5] Midstream Equipment - Dazhu Laser's selection represents technological advancements in midstream equipment for lithium batteries [6] - The company has developed China's first fully automated four-station laser cutting equipment, addressing high-precision processing needs for ceramic substrates [6] Downstream Battery Manufacturing and Applications - CATL, BYD, Aoxin, New Energy Security, and Envision are key players in the downstream sector, covering areas such as power batteries and energy storage [7] - CATL leads globally in power battery production, with a planned investment of 18.6 billion yuan in R&D for 2024, and has established a significant presence in the global supply chain [7] - BYD has achieved vertical integration of batteries and vehicles, with global sales of new energy vehicles reaching 4.27 million in 2024 [7] - Aoxin focuses on fast-charging technology, achieving significant advancements in charging speed and efficiency [8] - New Energy Security's "Kunlun" series lithium iron phosphate batteries are recognized for their safety and long cycle life, serving major markets globally [8] - Envision Technology integrates lithium battery technology with hydrogen energy and renewable power generation [8] Overall Industry Strength - The inclusion of these seven companies reflects the comprehensive strength of China's lithium battery supply chain, with self-sufficiency in upstream materials, technological breakthroughs in midstream equipment, and global leadership in downstream applications [9]