根据市场公开信息及4月29日披露的机构调研信息，知名私募千合资本近期对3家上市公司进行了调研， 相关名单如下： 1）易德龙 （千合资本管理有限公司参与公司电话会议） 调研纪要：易德龙在2024年通过全球布局和差异化策略应对地缘政治挑战，海外工厂产能显著提升，研 发方向集中在电机、电源、电池管理和自动化，通过定制化开发提升客户满意度。公司在工控、医疗、 通讯领域表现良好，汽车领域聚焦商用车，供应链管理优化降低成本。公司通过销售端拓展、供应链管 理和内部精益管理提升毛利率，分红比例提高基于健康的资产负债结构和充足的现金流，不影响资本开 支。 2）广东宏大 （千合资本参与公司特定对象调研&电话会议） 3）精智达 （千合资本参与公司业绩说明会） 调研纪要：2024年，新型显示业务线毛利率下降，主要系产品结构影响，Cell段产品占比较2023年下 降，半导体业务线收入占比上升至超30%，测试机产品核心部件自主化推动，毛利率上升。2025年一季 度，半导体业务线收入占比继续提升至超70%，产品结构变化导致整体毛利率波动，新型显示业务毛利 率因海外市场提升。CP和高速FT测试机处于最后验证阶段，关键SIC芯片已通过客户验证 ...

Group 1: Financial Performance - The company's gross profit margin improved due to ongoing production line upgrades and enhanced production efficiency [1] - Supply chain management optimization and domestic material procurement significantly contributed to cost reduction and efficiency gains [1] Group 2: Capacity and Market Demand - Current production capacity can be further enhanced based on equipment upgrades, with infrastructure supporting additional capacity expansion [1] - The company can dynamically adapt its production scale to meet market demand increases, ensuring it does not become a bottleneck for growth [1] Group 3: Competitive Advantages - The company has achieved international advanced levels in product technology, tailored solutions to local application scenarios, and maintains a comprehensive service network [2] - Strong understanding of domestic industry policies and market characteristics allows for precise market trend identification and rapid product iteration [2] Group 4: Subsidiary Performance - The subsidiary, Daziran, leverages unique material properties to create differentiated competitive advantages and has built a stable customer base [3] - Daziran's introduction of a full-home customization brand enhances customer value and brand influence, aiming for stable revenue in 2024 despite challenging operating conditions [3]