Core Viewpoint - China's High Voltage Direct Current Transmission System (HVDCS) has become a core technology for building a new energy system, leveraging its advantages in long-distance and high-power transmission. The market for HVDC is projected to reach 89.2 billion yuan in 2024 and exceed 300 billion yuan by 2028, driven by the expansion of wind and solar power installations and the explosive demand for AI computing power [1][7]. Industry Overview - HVDCS utilizes direct current for high-power, long-distance electricity transmission, converting three-phase alternating current to direct current and back again, enabling efficient and stable energy transfer [2]. - The industry has developed a complete upstream and downstream industrial system, focusing on raw materials, equipment manufacturing, and system integration, with major investments from state-owned enterprises [4]. Market Size and Growth - The HVDC market in China reached 89.2 billion yuan in 2024, a 42.3% increase year-on-year, and is expected to surpass 300 billion yuan by 2028 [7]. - The demand for 800V HVDC technology is anticipated to surge, particularly in the context of AI data centers, with the market projected to grow from 2 billion yuan in 2028 to 6.4 billion yuan by 2030, reflecting a compound annual growth rate of 47% [1][8]. Industry Chain - The HVDCS industry chain includes upstream raw materials, midstream equipment manufacturing, and downstream operation by major power grid companies, facilitating large-scale applications in long-distance transmission and renewable energy integration [4]. Competitive Landscape - The industry is characterized by a concentration of market share among state-owned enterprises like China Xidian and TBEA, while private companies and foreign firms compete in niche areas [10]. - China Hengtian Electric holds a 28% market share, benefiting from partnerships with leading internet companies in the AI data center sector [10]. Development Trends - The industry is expected to see technological advancements, with a shift towards 800V high-voltage platforms and silicon carbide devices, enhancing system efficiency and reliability [11]. - The application scenarios for HVDC are diversifying, including cross-border energy interconnections and industrial microgrids, creating a multi-billion market for related services [12]. - Chinese HVDC companies are transitioning to a global operational model, focusing on technology, standards, and capital, with exports expected to rise to 40% by 2030 [13][14].

证券代码：688469 证券简称：芯联集成 公告编号：2025-048 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担相应的法律责任。 重要内容提示 ? 发行数量和价格 股票种类：人民币普通股（A 股） 发行股票数量：1,313,601,972 股 发行股票价格：4.04 元/股 ? 预计上市时间 本次发行股份购买资产新增股份已于 2025 年 9 月 3 日在中国证券登记 结算有限责任公司上海分公司办理完成登记手续。 本次发行新增股份在其限售期满的次一交易日在上海证券交易所上市 交易（预计上市时间如遇法定节假日或休息日，则顺延至其后的第一个交易 日），限售期自股份发行完成之日起开始计算。 ? 资产过户情况 本次交易标的资产的过户手续已办理完毕。 （二）本次发行情况 本次发行股份及支付现金购买资产中，发行的股份种类为人民币普通股（A 股），每股面值为人民币 1.00 元，上市地点为上交所。 本次发行股份及支付现金购买资产的定价基准日为上市公司第一届董事会 第二十四次会议决议公告日。经交易各方协商，上市公司确定本次发行股份购买 资产的发行 ...

Group 1 - Company Sanan Optoelectronics (600703.SH) has repurchased 88.656 million shares, accounting for 1.78% of its total share capital, with a total expenditure of 1.084 billion yuan [1] - The company plans to repurchase shares within a range of 1 billion to 1.5 billion yuan, with the purpose of employee stock ownership plans or equity incentives [1] - Sanan Optoelectronics has previously repurchased 250 million shares from December 14, 2023, to May 16, 2025, totaling 3.083 billion yuan [1] Group 2 - In Q1 2023, Sanan Optoelectronics achieved operating revenue of 4.312 billion yuan, a year-on-year increase of 21.23%, and a net profit attributable to shareholders of 212 million yuan, up 78.46% [2] - The company has seen growth across all business segments, particularly in high-end LED products, which have contributed to overall revenue growth [2] - Sanan Optoelectronics has partnered with STMicroelectronics to establish "An STMicroelectronics Co., Ltd." in Chongqing, with a total investment of approximately 23 billion yuan, focusing on an 8-inch silicon carbide power chip production line [2] Group 3 - The global silicon carbide device market is expected to exceed 12 billion USD by 2028, with China accounting for over 40% of the demand [3] - The timing of the An STMicroelectronics project aligns with a potential industry boom [3]