Core Viewpoint - The company's stock price experienced an abnormal fluctuation, with a cumulative increase of 30% over two consecutive trading days, December 11 and December 12, 2025 [1] Group 1 - The stock trading of the company was identified as having abnormal volatility due to the significant price increase [1]

证券代码：300265 证券简称：通光线缆 编号：2025-081 一、股票交易异常波动的具体情况 江苏通光电子线缆股份有限公司（以下简称"公司"）股票交易连续2个交易 日内（2025年12月11日、2025年12月12日）日收盘价格涨幅偏离值累计达到30%， 根据《深圳证券交易所交易规则》的有关规定，属于股票交易异常波动的情形。 江苏通光电子线缆股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 二、公司关注及核实情况的说明 针对公司股票交易异常波动的情况，公司董事会通过通讯及现场问询等方式， 对公司、控股股东及实际控制人、公司全体董事、监事及高级管理人员就相关问 题进行了核实，现将有关情况说明如下： 1、公司未发现前期披露的信息存在需要更正、补充之处。 2、公司未发现近期公共媒体报道了可能或已经对本公司股票交易价格产生 较大影响的未公开重大信息。 3、公司目前的经营情况及内外部经营环境未发生重大变化。 4、经核查，公司、控股股东和实际控制人不存在关于公司的应披露而未披 露的重大事项，或处于筹划阶段的重大事项。 5、经核查，公司控 ...

Core Viewpoint - Tongguang Cable has confirmed the application of its high-temperature resistant cables in the aerospace sector and reported that its fundraising project for high-end marine equipment energy systems has reached a usable state [1] Group 1 - The company has developed high-temperature resistant cables specifically for the aerospace industry [1] - The fundraising project "High-end Marine Equipment Energy System Project (Phase I)" has been largely implemented and is now in a state ready for use [1]

Group 1: Market Performance - The three major indices strengthened, with the Shanghai Composite Index rising by 0.41%, the Shenzhen Component Index by 0.84%, and the ChiNext Index by 0.97%, while the Sci-Tech Innovation 50 Index increased by 1.74% [2] - Over 2,500 stocks in the two markets saw gains, with a total trading volume reaching approximately 2.09 trillion yuan [2] Group 2: Precious Metals Sector - The precious metals sector was notably strong, with stocks like Zhaojin Mining (000506.SZ) rising by 7.8%, and other companies such as Xiaocheng Technology (300139.SZ), Western Gold (601069.SH), Shandong Gold (600547.SH), and Hunan Silver (002716.SZ) also experiencing increases [2] - The Federal Reserve's decision to cut interest rates by 25 basis points on December 11, 2025, cumulatively lowering rates by 75 basis points, has boosted precious metal prices, alongside heightened expectations for future rate cuts and rising inflation [2] Group 3: Electric Grid Equipment Sector - Electric grid equipment stocks also performed well, with Tongguang Cable (300265.SZ) and Zhongneng Electric (300062.SZ) both rising by 20%, while companies like Xinte Electric (301120.SZ), Jiusheng Electric (301082.SZ), and China Western Power (601179.SH) saw significant gains [2] - The global energy transition and AI computing power growth are driving the evolution of electric grid systems towards smarter and more resilient designs, creating historic opportunities for domestic power equipment leaders with technological advantages and export capabilities [3] Group 4: Commercial Aerospace Sector - The commercial aerospace sector remained active, with stocks such as Superjet Co. (301005.SZ) rising by 20%, Srey New Materials (688102.SH) by 17.58%, and Aerospace Power (600343.SH) by 10% [3] - A successful launch of the Long March 12 rocket on December 12, 2025, which placed 16 low-orbit satellite internet satellites into orbit, highlights the growth potential of China's commercial aerospace industry, projected to reach a scale of 2.8 trillion yuan by 2025 [3] Group 5: Computing Hardware Sector - The computing hardware sector showed repeated activity, with stocks like Lian Te Technology (301205.SZ) increasing by 15.87%, and others such as Changxin Bochuang (300548.SZ), Dongtianwei (301183.SZ), and Tengjing Technology (688195.SH) also performing well [4] - According to TrendForce, the global market for optical transceiver modules over 800G is expected to grow significantly, with projections of 24 million units by 2025 and nearly 63 million by 2026, indicating a growth rate of 2.6 times [4]

Group 1 - The core viewpoint of the news highlights the strong performance of the Electric Grid Equipment ETF (159326), which has seen a 3% increase and a trading volume of 421 million yuan, with several stocks reaching their daily limit up [1] - The ETF has experienced a continuous net inflow of funds for 11 trading days, accumulating a total of 724 million yuan, with its latest share count reaching 1.848 billion and total scale at 2.647 billion yuan, both hitting record highs since its inception [1] - The domestic power equipment industry is experiencing high demand for bidding, with significant projects such as China Power Construction's offshore 4GW and onshore 31GW wind turbine procurement starting [1] Group 2 - The Electric Grid Equipment ETF is the only ETF tracking the CSI Electric Grid Equipment Theme Index, with its component stocks primarily distributed across power transmission and transformation equipment, grid automation equipment, cable components, and distribution equipment [2] - The top ten holdings include leading companies such as Guodian NARI, TBEA, and Siyuan Electric, indicating strong market representation [2] - The weight of ultra-high voltage in the ETF is as high as 65%, the highest in the market [2]

Group 1 - The core point of the article highlights that Tongguang Cable achieved a record trading volume of 1.371 billion yuan, marking a new high since its listing [2] - The latest stock price of Tongguang Cable increased by 6.08%, with a turnover rate of 23.20% [2] - The trading volume for the previous trading day was reported at 799 million yuan [2]

Group 1 - The company has a product line for aerospace high-temperature cables used in the aerospace field [2] - The fundraising project "High-end Marine Equipment Energy System Project (Phase I)" has been basically completed and is in a state of readiness for use [2]

Core Insights - The electric grid equipment sector has experienced a strong rebound, driven by multiple favorable factors including breakthroughs in controllable nuclear fusion and the increasing demand for electricity in global data centers due to AI computational power [1][2]. Group 1: Market Performance - The only electric grid equipment ETF (159326) saw a 3% increase, with a trading volume reaching 281 million yuan, and several stocks within the ETF hitting the daily limit [1]. - Notable stocks such as Neng Electric, China Xidian, and Huazhong Cable experienced significant gains, with some stocks rising over 8% and TBEA increasing by more than 6% [1]. Group 2: Industry Trends - A recent report from Goldman Sachs highlighted that electricity supply has become a major obstacle for AI development, predicting a 160% increase in electricity demand from global data centers by 2030 [1]. - The aging power grids in Europe and the United States require urgent upgrades, creating opportunities for the electric grid equipment sector [1]. Group 3: Policy and Long-term Outlook - CITIC Securities emphasized the importance of a new energy system in the "14th Five-Year Plan," focusing on long-term development priorities such as consumption, resilience, and electrification in power system construction [1]. - The policy guidance is expected to solidify long-term opportunities in areas such as ultra-high voltage, flexible direct current transmission, and smart grids [1].

Commercial Aerospace - Aerospace Technology has successfully developed commercial aerospace clients such as Blue Arrow Aerospace and Tianbing Technology [1] - Unigroup Guowei's FPGA, refresh chips, memory, and bus interface products are being gradually introduced into the commercial aerospace sector [1] - Chaojie Co., Ltd. estimates that the value of structural components for a single rocket is approximately 15 million yuan, with rapid revenue growth expected in commercial aerospace-related businesses by 2026 [1] Chip Industry - Gree Electric's silicon carbide power chips have expanded from the home appliance sector to new energy, industrial, and special scenarios [1] - Yingtang Zhikong's storage chip business has significantly increased year-on-year due to industry demand [1] Nuclear Power - China Uranium Corporation has signed a long-term trade agreement with China Nuclear Power to supply natural uranium to its subsidiaries [1] Satellite Communication - Tianhe Defense's RF devices and chip products are applicable in the satellite communication field [1] 3D Printing - Changjiang Materials produces 3D printing sand used in 3D printed sand casting [1] Other Applications - Zhongtai Co., Ltd.'s cryogenic equipment and independently operated special gases have been applied in the aerospace sector [1] - Tongguang Cable's sales of high-temperature resistant cables for aerospace applications constitute a small proportion of total revenue [1] - Putian Technology's PCB products are partially applied in the commercial aerospace sector [1] - Kexiang Co., Ltd.'s PCB products are applicable in aerospace, with existing supply agreements [1] - Shaanxi Huada has long provided supporting products for the Long March series rockets [1] Power Cable and Server Products - Honglin Electric's subsidiary has achieved bulk shipments of high-speed copper cable connection products [2] - Guangdian Yuntong's subsidiary has integrated Moores Threads graphics cards into some server products [2] Retail and Supply Chain - Liangpinpuzi has implemented a "store dynamic replenishment decision dataset," effectively shortening procurement decision time [2]

Core Viewpoint - Tongguang Cable's main products include optical fibers, power cables, and equipment cables, with aerospace high-temperature resistant cables being a subcategory of equipment cables, which contribute a small proportion to the company's total revenue [2] Product Overview - The company has not yet officially supplied related products to COMAC (Commercial Aircraft Corporation of China) [2]