北京植德律师事务所 关于石家庄通合电子科技股份有限公司 向不特定对象发行可转换公司债券的 补充法律意见书（一） 植德（证）字[2025]0049-7号 二〇二五年十二月 北京植德律师事务所 Merits & Tree Law Offices 北京市东城区东直门南大街 1 号来福士中心办公楼 12 层 邮编：100007 12th Floor, Raffles City Beijing Office Tower, No.1 Dongzhimen South Street, Dongcheng District, Beijing 100007 P.R.C 电话（Tel）：010-56500900 传真（Fax）：010-56500999 释 义 本补充法律意见书中，除非文义另有所指，下列词语或简称具有如下含义： | 报告期 | 指 | 年 | 月 | 日至 | 年 | 月 | 日的连续期间 | 2022 | 1 | 1 | 2025 | 9 | 30 | 报告期末 | 指 | 年 | 月 | 日 | 2025 | 9 | 30 | | --- | --- | --- | --- | --- | --- | --- ...

Core Viewpoint - Tonghe Technology announced the acquisition of multiple patents and software copyrights, indicating a strong focus on innovation and intellectual property development [1] Patent and Copyright Summary - The company obtained 5 invention patents, 4 utility model patents, 1 design patent, and 3 computer software copyright registration certificates [1]

Company Overview - Tonghe Technology (SZ 300491) announced on November 26 that it has received multiple patents, including 5 invention patents, 4 utility model patents, 1 design patent, and 3 software copyright registrations from relevant authorities [1] Revenue Composition - For the year 2024, the revenue composition of Tonghe Technology is as follows: 70.45% from the new energy vehicle industry, 17.46% from power operation sources, 8.6% from aerospace and other industries, 2.8% from other businesses, and 0.69% from other power sources [1] Market Capitalization - As of the report date, the market capitalization of Tonghe Technology is 4.7 billion yuan [1]

Market Overview - The other power equipment sector increased by 0.59% compared to the previous trading day, with ST Huaxi leading the gains [1] - The Shanghai Composite Index closed at 3864.18, down 0.15%, while the Shenzhen Component Index closed at 12907.83, up 1.02% [1] Stock Performance - ST Huaxi (002630) closed at 2.87, up 5.13% with a trading volume of 604,700 shares and a turnover of 172 million yuan [1] - Aikesaibo (688719) closed at 44.63, up 3.62% with a trading volume of 59,300 shares and a turnover of 263 million yuan [1] - Shanghai Electric (601727) closed at 8.88, up 3.14% with a trading volume of 2,667,600 shares and a turnover of 2.348 billion yuan [1] - Other notable stocks include Keda (002518) at 45.06 (+2.88%), Oulu Tong (300870) at 220.99 (+2.81%), and ST Yishite (300376) at 5.78 (+1.58%) [1] Capital Flow - The other power equipment sector experienced a net outflow of 415 million yuan from institutional investors, while retail investors saw a net inflow of 342 million yuan [2] - The capital flow for key stocks shows that Shanghai Electric had a net inflow of 17.5 million yuan from institutional investors, while ST Huaxi had a net inflow of 27.7 million yuan [3] - Aikesaibo and Keda also saw net inflows from retail investors, indicating interest in these stocks despite the overall sector outflow [3]

本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 石家庄通合电子科技股份有限公司（以下简称"公司"或"通合科技"）及 全资子公司西安霍威电源有限公司（以下简称"霍威电源"）、陕西通合电子科 技有限公司（以下简称"陕西通合"）于近日取得中华人民共和国国家知识产权 局颁发的发明专利证书5项、实用新型专利证书4项、外观设计专利证书1项，中 华人民共和国国家版权局颁发的计算机软件著作权登记证书3项，具体情况如下： 注：专利权自授权公告之日起生效。专利权有效性及专利权人变更等法律信息以专利登记簿记载为准。 1、BMS系统供电装置及电动汽车 证券代码：300491 证券简称：通合科技 公告编号：2025-068 石家庄通合电子科技股份有限公司 关于公司及子公司取得专利证书及软件著作权登记证书的公告 本发明为自主研发，主要用于电动汽车技术领域，为系统解决方案。该发明 有效解决了车辆在运行与长期停放过程中，因BMS持续工作导致的动力电池电 量损耗问题，可避免因电池过放而引起的动力电池失效，显著提升电池使用寿命。 序 号 发明专利名称 证书号 专利号 专利 申请日 授权 公告日 ...

Core Insights - Tonghe Technology (300491) reported that as of November 20, 2025, the total number of common stock shareholders is 20,530 [1] Company Summary - The company has engaged with investors through an interactive platform to provide updates on shareholder numbers [1] - The specified date for the shareholder count indicates a forward-looking perspective on shareholder engagement and company growth [1]

Market Overview - The Shanghai Composite Index closed at 3870.02 points, above the six-month moving average, with a gain of 0.87% [1] - The total trading volume of A-shares reached 182.62 billion yuan [1] Stocks Breaking the Six-Month Line - A total of 290 A-shares have surpassed the six-month moving average today [1] - Notable stocks with significant deviation rates include: - Xunxing Co., Ltd. (002098) with a deviation rate of 9.03% and a daily increase of 10.04% [1] - Meino Energy (001299) with a deviation rate of 8.16% and a daily increase of 9.98% [1] - Laimu Co., Ltd. (603633) with a deviation rate of 7.83% and a daily increase of 8.70% [1] Detailed Stock Performance - The following stocks have notable performance metrics: - Xunxing Co., Ltd. (002098): Latest price 10.08 yuan, half-year line 9.24 yuan, turnover rate 3.52% [1] - Meino Energy (001299): Latest price 13.00 yuan, half-year line 12.02 yuan, turnover rate 6.41% [1] - Laimu Co., Ltd. (603633): Latest price 10.87 yuan, half-year line 10.08 yuan, turnover rate 7.02% [1] - Other stocks with significant performance include: - Xinhua Pharmaceutical (000756) with a daily increase of 10.00% and a deviation rate of 6.41% [1] - Tonghe Technology (300491) with a daily increase of 7.25% and a deviation rate of 6.40% [1]

Market Overview - As of 10:31 AM today, the Shanghai Composite Index is at 3876.57 points, above the six-month moving average, with an increase of 1.04% [1] - The total trading volume of A-shares today is 853.41 billion yuan [1] Stocks Breaking Six-Month Moving Average - A total of 382 A-shares have surpassed the six-month moving average today [1] - Notable stocks with significant deviation rates include: - Tonghe Technology (300491) with a deviation rate of 9.12% and a price increase of 10.01% [1] - Xunxing Co., Ltd. (002098) with a deviation rate of 9.03% and a price increase of 10.04% [1] - Laimu Co., Ltd. (603633) with a deviation rate of 7.04% and a price increase of 7.90% [1] Additional Stocks with Smaller Deviation Rates - Stocks that have just crossed the six-month moving average with smaller deviation rates include: - Longyuan Technology (not specified) and Newcapec (not specified) with minor deviations [1] - Other stocks with notable performance include: - Hongbai New Materials (605366) with a deviation rate of 6.77% and a price increase of 7.26% [1] - Kecuan Technology (603052) with a deviation rate of 5.50% and a price increase of 10.00% [1]

Core Insights - The report highlights a significant growth in electric vehicle (EV) sales across nine European countries in October 2025, with a total of 257,000 new energy vehicles sold, representing a year-on-year increase of 38.7% and a penetration rate of 31.5%, up by 7.7 percentage points [1][2] Summary by Region - **Germany**: In October 2025, BEV sales reached 52,000 units, up 47.7% year-on-year, while PHEV sales were 31,000 units, up 60.0%. Germany plans to restart its EV subsidy program in January 2026, which is expected to support sales [2][3] - **United Kingdom**: BEV sales in October 2025 were 37,000 units, a 23.6% increase year-on-year, and PHEV sales were 18,000 units, up 27.2%. The UK has resumed EV subsidies and is under pressure from ZEV assessment targets, which may lead to continued sales growth [2][3] - **France**: Following the implementation of the social leasing plan on September 30, 2025, BEV sales surged to 34,000 units in October, marking a 63.2% year-on-year increase and achieving a record penetration rate of 24.4% [3] - **Italy**: In October 2025, BEV sales were 6,000 units, up 25.1%, while PHEV sales reached 10,000 units, a significant increase of 128.6%. The EV subsidy in Italy was officially launched on October 22, which is expected to boost future sales [3] - **Spain**: Spain saw BEV sales of 9,000 units in October 2025, a remarkable increase of 90.1%, and PHEV sales of 13,000 units, up 145.6%. The country has experienced rapid growth in EV sales since the beginning of 2025 [3] Investment Recommendations - The report suggests investment opportunities in lithium batteries, lithium materials, battery structural components, power/electric drive systems, automotive safety components, and charging infrastructure, with specific companies recommended for each category [4]

Market Overview - The other power equipment sector declined by 1.59% on the previous trading day, with Haibosi leading the drop [1] - The Shanghai Composite Index closed at 3939.81, down 0.81%, while the Shenzhen Component Index closed at 13080.49, down 0.92% [1] Individual Stock Performance - Keda (002518) saw a closing price of 46.89 with an increase of 3.49% and a trading volume of 175,200 shares, totaling 825 million yuan [1] - Hu塑科技 (301157) closed at 53.10, up 3.27%, with a trading volume of 17,200 shares, amounting to 90.99 million yuan [1] - Other notable performances include Yingjie Electric (300820) at 58.29, up 0.50%, and Youyou Green Energy (301590) at 182.55, up 0.41% [1] - Conversely, Haibosi (688411) experienced a significant drop of 10.86%, closing at 322.00 with a trading volume of 66,700 shares, totaling 2.213 billion yuan [2] - Other stocks like Hailu Chading (002255) and Aotexun (002227) also faced declines of 9.96% and 5.61%, respectively [2] Capital Flow Analysis - The other power equipment sector experienced a net outflow of 1.08 billion yuan from main funds, while retail investors saw a net inflow of 472 million yuan [2][3] - Notable net inflows from retail investors were observed in stocks like Jintai Technology (002951) with 704.14 million yuan, while Keda (002518) saw a net outflow of 732.7 million yuan from retail investors [3] - The main funds showed a net inflow in stocks like Magmet (002851) with 96.64 million yuan, while other stocks like Shenghong Co. (300693) had a net outflow of 68.73 million yuan from main funds [3]