5月19日晚间，索通发展（603612）发布公告，公司与阿联酋环球铝业公司(以下简称"EGA")正式签署 《联合开发协议》。双方计划成立合资公司，在阿拉伯联合酋长国建设阳极生产厂及相关基础设施，其 中一期产能达30万吨/年，二期考虑新增30万吨/年产能。此次合作不仅是公司国际化战略布局的重要里 程碑，也为全球铝产业链的协同发展注入新动能。 从电解铝供给端来看，国内方面，为了控制产能过剩、减少环境污染以及促进产业升级，我国自2017年 起实施电解铝产能总量控制政策，国内合规产能上限锁定在4500万吨，新增产能审批严格。与此同时， 全球电解铝需求呈增长趋势。根据国际铝业协会报告，2020至2030年，全球铝需求将增长近40%，从 2020年的8620万吨增长至2030年的1.195亿吨，年均复合增速3.3%。 创新驱动构筑多维护城河，预焙阳极龙头屡获认可 EGA选择与索通发展进行战略合作，本质上是对公司实力的深度认可，以及对中国企业智造创新能力 的全球化验证。作为预焙阳极龙头企业，也是铝用碳素行业首家且唯一的一家上市公司，索通发展坚持 创新驱动发展战略，加速培育新质生产力，在国际化布局、规模成本优势、产品技术创新 ...

Core Viewpoint - The company, SiTong Development, has reported a significant recovery in its performance within the prebaked anode industry, with a net profit of 244 million yuan in Q1 2025, nearing the total profit for the entire year of 2024, indicating a positive trend in the industry cycle [1][2]. Group 1: Financial Performance - In Q1 2025, the average domestic price of prebaked anodes was 5,179 yuan per ton, reflecting a year-on-year increase of 13% and a quarter-on-quarter increase of 19% [2]. - The comprehensive gross profit margin for Q1 2025 was 17.03%, an increase of 7.8 percentage points compared to the 9.2% gross profit margin for the entire year of 2024 [2]. - The company achieved a production volume of 3.2645 million tons of prebaked anodes in 2024, a year-on-year growth of 10.25%, and a sales volume of 3.3169 million tons, up 11.35% year-on-year [3]. Group 2: Strategic Initiatives - The company is expanding its production capacity through joint ventures with downstream customers, ensuring stable client relationships and meeting high demand [3]. - New projects are underway, including a 600,000-ton prebaked anode project in Guangxi and a 320,000-ton project in Jiangsu, with plans to start construction by the end of 2025 [4]. - The company is also accelerating overseas joint venture projects to enhance its global footprint [4]. Group 3: Growth Outlook - Multiple securities firms have expressed optimism regarding the company's growth logic, highlighting its competitive advantages in the prebaked anode sector and the potential for rapid capacity expansion [5]. - Profit forecasts for the company have been raised significantly, with expected net profits of 1.097 billion yuan and 1.282 billion yuan for 2025 and 2026, respectively, reflecting increases of 71% and 63% from previous estimates [5].