Core Viewpoint - The company reported fluctuations in gross margin due to rising raw material prices, intense industry competition, and changes in market customer structure and product sales structure, but the gross margin remains at the industry average [1] Group 1: Financial Performance - The company's gross margin has experienced certain fluctuations and declines, influenced by multiple factors [1] - Despite the fluctuations, the gross margin is still at the industry average level [1] Group 2: Strategic Response - To adapt to the operational pressures from external environmental changes, the company is focusing on cost reduction and efficiency enhancement through various methods such as technological innovation, engineering process optimization, and workflow improvements [1]

Core Viewpoint - Taiyong Changzheng (002927) announced on November 17 that static transfer switches (STS) and automatic transfer switches (ATS) are both power conversion devices, with the main difference being their switching speed and application scenarios [1] Group 1 - ATS utilizes a mechanical structure, while STS employs semiconductor components, allowing for extremely fast switching [1] - STS ensures true uninterrupted power supply, maintaining continuous and stable operation [1]

11月17日，泰永长征大宗交易成交118.6万股，成交额2039.92万元，占当日总成交额的4.23%，成交价 17.2元，较市场收盘价20.34元折价15.44%。 | 交易日期 | 证券代码 | 证券简称 | 成交价格 | 成交量 | 成交金额 买方营业部 | 零方营业部 | | --- | --- | --- | --- | --- | --- | --- | | | | | (元) | (万股/万份) | (万元) | | | 2025-11-17 | 002927 | 泰永长征 | 17.20 | 11.70 | 201.24 机构专用 | 中超国际证券股份 | | | | | | | | 有限公司深圳中心 | | | | | | | | 四路证券营业部 | | 2025-11-17 | 002927 | 泰永长征 | 17.20 | 11.70 | 201.24 中信建投证券股份 | 中银国际证券股份 | | | | | | | 有限公司北京里京 | 有限公司深圳中心 | | | | | | | 证券营业部 | 四路证券营业部 | | 2025-11-17 | 002927 | 泰永长征 | 17 ...

南财智讯11月17日电，泰永长征在投资者关系活动中表示，公司静态转换开关（STS）基于电力电子技 术，可在毫秒级甚至微秒级实现两个独立电源间的快速切换，核心价值在于极速切换与高可靠性，主要 应用于对供电连续性要求极高的通讯数据中心、轨道交通、综合医疗及流程工业等关键负载领域。 ...

每经AI快讯，泰永长征（SZ 002927，收盘价：18.49元）发布公告称，2025年11月13日、11月14日，泰 永长征接受国信证券等投资者调研，公司副总经理、董事会秘书、财务负责人韩海凤等人参与接待，并 回答了投资者提出的问题。 每经头条（nbdtoutiao）——展望"十五五" | 专访尹艳林：让有钱且愿消费的人顺利消费；个税起征点可 提高，最高边际税率可下调，让有关群体少缴税、多收入 （记者 王瀚黎） 2025年1至6月份，泰永长征的营业收入构成为：工业占比100.0%。 ...

Group 1: Solid State Circuit Breakers (SSCB) - SSCBs are not strictly necessary components in HVDC Panama power systems but are becoming key technology choices due to their high speed, reliability, and long lifespan [2] - SSCBs can achieve microsecond-level interruption speeds, effectively matching the rapid rise of fault currents in DC systems, thus preventing fault propagation [2] - The high operational cycle capability of SSCBs, up to one million cycles, reduces long-term maintenance costs and enhances the reliability of power supply from input to load [2] Group 2: Static Transfer Switches (STS) - STS devices are based on power electronics technology, enabling extremely fast switching (usually in milliseconds or microseconds) between two independent power sources [3] - The core value of STS lies in "rapid switching" and "high reliability," making them suitable for critical loads that cannot tolerate power interruptions, such as communications data, rail transportation, and healthcare [3] Group 3: Financial Performance and Market Conditions - The company's gross profit margin has shown fluctuations due to rising raw material prices, intensified industry competition, and changes in market customer and product structures [3] - Despite these challenges, the company's gross profit margin remains at the industry average, and it is actively pursuing cost reduction and efficiency improvement through technological innovation and process optimization [3] Group 4: Product Specifications and Comparisons - The company utilizes both silicon-based and silicon carbide devices for SSCBs, depending on the current specifications of the products [3] - The core competitiveness of SSCBs lies in product design and algorithms rather than just the materials used [3] - SSCBs differ fundamentally from solid-state relays in their core functions and design goals, with SSCBs focusing on real-time monitoring and fault diagnosis capabilities [3]

（文章来源：证券日报） 证券日报网讯泰永长征11月13日在互动平台回答投资者提问时表示，公司的固态变压器目前尚处于应用 方案论证与市场调研阶段。 ...

证券日报网讯泰永长征（002927）11月13日在互动平台回答投资者提问时表示，截至2025年11月10日， 公司股东总户数为30034户。 ...

泰永长征今日下跌6.52%，全天换手率16.66%，成交额7.09亿元，振幅5.58%。龙虎榜数据显示，机构净 卖出1721.50万元，营业部席位合计净卖出1981.36万元。 深交所公开信息显示，当日该股因日跌幅偏离值达-8.05%上榜，机构专用席位净卖出1721.50万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交1.73亿元，其中，买入成交额为6797.02 万元，卖出成交额为1.05亿元，合计净卖出3702.86万元。 具体来看，今日上榜的营业部中，共有5家机构专用席位现身，即买一、买二、买三、买四、卖一、卖 二、卖三，合计买入金额5975.82万元，卖出金额7697.32万元，合计净卖出1721.50万元。 资金流向方面，今日该股主力资金净流出3940.51万元，其中，特大单净流出3583.38万元，大单资金净 流出357.13万元。近5日主力资金净流入2.54亿元。（数据宝） 泰永长征11月13日交易公开信息 | 买/卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 机构专用 | 2481.76 ...

（文章来源：每日经济新闻） 每经AI快讯，有投资者在投资者互动平台提问：公司在互动易说公司在固态断路器领域建立了先发优 势，请问公司的固态变压器有没有核心竞争力？ 泰永长征（002927.SZ）11月13日在投资者互动平台表示，公司的固态变压器目前尚处于应用方案论证 与市场调研阶段。 ...