Market Overview - The main board saw significant gains with notable stocks such as Hubei Broadcasting (+10.04%), Tongding Internet (+10.02%), and Shanghai Film (+10.01%) leading the charge [1] - The ChiNext board also performed well, highlighted by Everbright Tongchuang (+20.01%) and Creative Information (+19.93%) [1] - The Sci-Tech Innovation board was led by Dekeli (+15.41%) and Lingzhi Software (+14.46%) [1] - Active sub-industries included SW Communication Application Value-Added Services (+3.09%) and SW Horizontal General Software (+3.01%) [1] Domestic News - Tianyue Advanced is expanding its production capacity for silicon carbide single crystal with a project to produce 500 tons annually, aiming for equipment installation by May 2025 and trial production by June [1] - Saizhuo Electronics has officially launched a vehicle-grade semiconductor packaging project with a total investment of 500 million, enhancing its strategic positioning in the vehicle-grade integrated circuit sector [1] - TSMC has commenced construction of its third semiconductor factory in Phoenix, Arizona, with completion expected between 2028 and 2030, utilizing advanced 2nm and 1.6nm process technologies [1] - Jinghe Integrated reported an increase in revenue from 55nm products, driven by higher shipments of DDIC/CIS products, with automotive chip development progressing smoothly [1] Company Announcements - Shen Si Electronics announced receipt of government subsidies amounting to 1.821 million yuan, representing 11.17% of its latest audited net profit attributable to shareholders [3] - Jiangbolong disclosed a plan for a major shareholder to reduce holdings by up to 4.16 million shares, accounting for 1.00% of total share capital, between May and August 2025 [3] - Tongguan Copper Foil reported a share buyback of 3,800 shares, representing 0.00046% of total share capital, with a total transaction amount of 37,976 yuan [3] - Huada Jiutian is progressing with a major asset restructuring, with ongoing audits and due diligence [3] Overseas News - Current global tariff rates, if unchanged, are expected to increase Apple's costs by $900 million for the quarter ending June [4] - Samsung Electronics is in discussions with Nvidia, Broadcom, and Google to develop custom 6th generation high bandwidth memory (HBM4), with deliveries anticipated as early as next year [4] - Samsung has confirmed plans to introduce vertical channel transistor (VCT) technology after the 7th generation 10nm DRAM process, with products expected in 2 to 3 years [4] - In Q1 2025, the global AMOLED smartphone panel market in South Korea accounted for 49.2%, while domestic manufacturers held a 50.8% share, showing resilience despite a year-on-year decline [4]

插播： 英诺赛科、能华半导体、致能半导体、京东方华灿光电、镓奥科技、 鸿成半导体、中科 无线半导体等已确认参编《2024-2025氮化镓（GaN）产业调研白皮书》，参编咨询请联系许 若冰（hangjiashuo999）。 近期，天岳先进、中国台湾格棋化合物半导体及昆明国兴半导体三家企业的碳化硅项目接连取得新 进展，产能扩张与技术突破同步加速，详情请看： 天岳先进： 碳化硅单晶项目新进展 4月28日，据"济南槐荫政府"披露消息， 2025年一季度，济南市槐荫区以"开年即决战、起步即冲刺"的姿态，开启项目建设热潮。 其中， 天岳先进位于 济南先进材料智造港的 " 年产500吨碳化硅单晶基地 "扩产能项目迎来了新进展——该项目 可一次性解决 5000台 生长炉的扩产能需求，计划2025年5月进行生产设备安装调试、6月实现首批生产设备投产试运营。 3月28日， 60万片 /年 营收方面， 2024 年度天岳先进实现营业收入17.68亿元，较2023年增长 。 41.37%； 其中，碳化硅半导体材料 实现 收入 14.74 亿元，较上年同期 天岳先进正式公布 2024 年年度财务报告，报告中还披露了上海生产基地的项目进 ...