证券日报网讯 2月27日，泰晶科技发布公告称，公司股票于2026年2月25日、2026年2月26日、2026年2 月27日连续三个交易日内日收盘价格涨幅偏离值累计超过20%，属于股票交易异常波动情形。经公司自 查，并书面征询控股股东及实际控制人，截至本公告披露日，不存在应披露而未披露的重大信息。公司 生产经营环境未发生重大变化，生产经营情况正常。敬请广大投资者注意二级市场交易风险，理性决 策，审慎投资。 （文章来源：证券日报） ...

(以下无正文) 关于对泰晶科技股份有限公司 股票交易异常波动问询函的回复 泰晶科技股份有限公司: 本人于 2026年 2 月 27 日收到贵公司发来的《关于泰晶科技股份 有限公司股票交易异常波动的问询函》,经本人自查确认,现回复如 下： 本人作为贵公司的控股股东、实际控制人,截止目前,不存在影 响公司股票交易价格异常波动的重大事宜;不存在其他应披露而未披 露的重大信息,包括但不限于重大资产重组、股份发行、重大交易类 事项、业务重组、股份回购、股权激励、破产重整、重大业务合作、 引进战略投资者等重大事项。 特此回复。 (王丹) (喻信辉) (喻慧玲) 2026 年 2 月 27 日 (本页无正文,为《关于对泰晶科技股份有限公司股票交易异常波动 问询函的回复》签署页) 控股股东及实际控制人签名: VV 1/2 (喻信东) ...

证券代码：603738 证券简称：泰晶科技 公告编号：2026-004 泰晶科技股份有限公司 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法律责任。 重要内容提示： 泰晶科技股份有限公司（以下简称"公司"）股票于 2026 年 2 月 25 日、 2026 年 2 月 26 日、2026 年 2 月 27 日连续三个交易日内日收盘价格涨幅偏离值 累计超过 20%，属于股票交易异常波动情形。 经公司自查，并书面征询控股股东及实际控制人，截至本公告披露日， 不存在应披露而未披露的重大信息。 公司生产经营环境未发生重大变化，生产经营情况正常。敬请广大投资 者注意二级市场交易风险，理性决策，审慎投资。 一、股票交易异常波动的具体情况 公司股票于 2026 年 2 月 25 日、2026 年 2 月 26 日、2026 年 2 月 27 日连续 三个交易日内日收盘价格涨幅偏离值累计超过 20%。根据《上海证券交易所股票 上市规则》的有关规定，属于股票交易异常波动情形。 股票交易异常波动公告 公司未发现可能或已经对公司股票交易价格产生影响的媒体报 ...

Group 1: Rare Earth and Tungsten Industry - The company is one of the six major rare earth groups in the country, having completed the integration of rare earth resources in Fujian Province [2] - The company possesses a complete tungsten industry chain, with significant competitive advantages in tungsten mining, smelting, powder, wire materials, and hard alloy deep processing [2] - The company is the first in China to develop and produce ITER filter tungsten probe components for nuclear fusion devices, capable of precision machining large-sized ITER-grade tungsten materials [2] Group 2: Data Center and AI Computing - The company is planning to acquire a stake in Xiantian Computing and aims to leverage it to acquire control of Zhengzhou Heying, which focuses on third-party large-scale data center operations [3] - The company is collaborating with Alibaba Cloud to jointly invest 15.8 billion yuan in building a cloud computing data center in Zhejiang [3] - The company has established a large data center in Xinjiang Hami, with a total computing power exceeding 80,000 P [3] Group 3: Power and Energy Sector - The company has acquired Honghe Power, a major thermal power plant in southern Yunnan, with a certified installed capacity of 1,300 MW [5] - The company is a leading player in the composite insulator market for high-voltage transmission lines, with a net profit growth of 177.52% year-on-year [5] - The company is expected to achieve a profit of 300 million to 360 million yuan by 2025, marking a turnaround from previous losses [5] Group 4: Semiconductor and AI Technology - The company has developed a low-code platform that integrates AI capabilities and has been applied in various sectors including power, aerospace, and manufacturing [4] - The company is a leading domestic player in crystal oscillators, with products applicable in optical communication and navigation systems [4] - The company has launched a series of AI products and is involved in the construction of AI computing centers across the country [4] Group 5: Renewable Energy and Materials - The company is a leader in the photovoltaic aluminum frame market, with a global market share exceeding 18% [5] - The company is investing 600 million yuan to build a project for producing 10,000 tons of iron phosphate battery precursor materials annually [8] - The company has established a comprehensive lithium battery supply chain, including mining, selection, and processing of lithium carbonate [8]

Group 1 - Mingyang Circuit focuses on the R&D, production, and sales of printed circuit boards (PCBs), covering high multilayer boards, HDI boards, and rigid-flex boards, widely used in industrial control, communication equipment, and automotive electronics. The demand for high-reliability, high-density PCBs is continuously growing due to industrial automation upgrades, 5G communication network construction, and the increasing penetration of new energy vehicles [1][32] - Weirgao specializes in the R&D, production, and sales of electronic-grade special epoxy resins and related composite materials, which are key raw materials for PCBs. The demand for high-frequency, high-temperature, and low-loss materials is increasing in 5G communication, data centers, and new energy vehicles, leading to an expanding market space for specialty epoxy resins [2][33] - Qiangda Circuit focuses on the R&D, production, and sales of high-density interconnect printed circuit boards (HDI), widely used in consumer electronics such as smartphones and tablets. The market demand for high-end products like high multilayer HDI and AnyLayer HDI is continuously growing due to the recovery of the consumer electronics market and the upgrade of smart terminal functions [3][34] Group 2 - Benchuan Intelligent specializes in the R&D, production, and sales of PCBs, with core products including communication boards, automotive boards, and industrial control boards. The market demand for high-reliability, high-frequency PCBs is expanding due to the construction of 5G base stations and the upgrade of new energy vehicle systems [4][35] - Kexiang Co., Ltd. focuses on the R&D, production, and sales of HDI and high multilayer boards, covering various fields including consumer electronics and automotive electronics. The demand for high-end PCBs is continuously growing due to the functional upgrades of consumer electronics and the increasing demand for automotive electronic systems [5][36] - Jinlu Electronics specializes in the R&D, production, and sales of PCBs, with core products including automotive electronic boards and communication boards. The demand for high-reliability, high-integration PCBs is continuously growing due to the increasing penetration of new energy vehicles and the deep coverage of 5G networks [6][37] Group 3 - Shengyi Technology is a leading global supplier of copper-clad laminates (CCL) and related electronic materials, with products widely used in PCBs and electronic packaging. The demand for high-end copper-clad laminates is continuously expanding due to the increasing demand for high-frequency, high-temperature materials in 5G communication and data centers [7][38] - Xiehe Electronics focuses on the R&D, production, and sales of PCBs, including high-frequency and high-speed boards. The market demand for high-end products is continuously growing due to the advancement of 5G networks and the expansion of new energy vehicle systems [8][39] - Shiyun Circuit specializes in the R&D, production, and sales of PCBs, covering automotive electronics, consumer electronics, and industrial control. The demand for high-reliability, high-integration automotive PCBs is continuously growing due to the increasing complexity of in-vehicle electronic systems [9][40]

Group 1 - The stock price of Taijing Technology (603738) has shown a fluctuating upward trend over the past week, closing at 16.89 yuan on February 12, with a daily increase of 0.96% and a trading volume of 1.74 billion yuan [1] - The cumulative increase over the past five days is 6.49%, with a peak price of 16.99 yuan and a low of 15.66 yuan during this period [1] - On February 12, there was a net inflow of 2.67 million yuan in main funds, contrasting with a net outflow of 1.51 million yuan on February 9 [1] - The stock price has recently broken through the 20-day moving average, and the MACD indicator has turned positive, indicating an increase in short-term momentum [1] Group 2 - On February 6, the company announced on an interactive platform that it is gradually releasing production capacity for automotive-grade crystal oscillators and active crystal oscillators, which may support long-term business growth [2] - The company has recently been included in thematic speculation related to drones, 5G, and Huawei concepts, which was mentioned during the stock price fluctuations on February 11 [2]

证券日报网讯 2月10日，泰晶科技在互动平台回答投资者提问时表示，公司始终以行业先进技术标准为 标杆，在关键核心领域持续自主研发与突破，保持了与国际龙头的同步性，在本地化服务方面以全产品 线布局及定制化产品优势在不同应用领域实现国产替代。公司已建立稳定的全球优质供应链渠道，同时 正积极推进高端材料的国产化替代与多元化供应链布局。 （文章来源：证券日报） ...

证券日报网讯2月6日，泰晶科技（603738）在互动平台回答投资者提问时表示，目前车规级产品已开发 2000余款料号，覆盖车身域、智驾域、座舱域、动力域和底盘域等多应用场景，正全方位加快市场导入 与客户扩展，产品订单稳步提升。2025年底，公司自主研发的38.4MHz车规级热敏晶振成功通过高通公 司严苛的车规认证，成为国内首家获得此项认证的晶振厂商；该产品可在高达115℃的极端温度环境下 稳定工作，创下目前高通车规认证中的最高温度纪录，实现了汽车电子国产核心元器件领域新突破。 ...

Group 1 - The company is focusing on the gradual release of production capacity for automotive-grade crystal oscillators and temperature-compensated crystal oscillators (TCXO) [2]

Market Overview - The component sector experienced a decline of 3.95% on January 29, with Si Hui Fu Shi leading the drop [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] Stock Performance - Notable gainers included: - Shangluo Electronics (300975) with a closing price of 16.96, up 20.03% on a trading volume of 1.36 million shares [1] - Guanghe Technology (001389) closed at 105.33, up 1.55% with a trading volume of 144,700 shares [1] - Significant decliners included: - Si Hui Fu Shi (300852) closed at 45.82, down 8.63% with a trading volume of 129,700 shares and a transaction value of 618 million [2] - Nanya New Materials (688519) closed at 79.60, down 8.51% with a trading volume of 77,700 shares [2] Capital Flow - The component sector saw a net outflow of 5.767 billion yuan from institutional investors, while retail investors contributed a net inflow of 4.874 billion yuan [2] - The detailed capital flow for selected stocks showed: - Shangluo Electronics had a net inflow of 360 million yuan from institutional investors [3] - Dongshan Precision (002384) had a net inflow of 10.2 million yuan from institutional investors [3]