江苏本川智能电路科技股份有限公司 向不特定对象发行可转换公司债券 之 上市保荐书 东北证券股份有限公司 关于 （住所：长春市生态大街 6666 号） 二〇二五年八月 声 明 东北证券股份有限公司接受江苏本川智能电路科技股份有限公司的委托，担 任江苏本川智能电路科技股份有限公司向不特定对象发行可转换公司债券的保 荐人。 保荐人及指定的保荐代表人已根据《公司法》《证券法》《注册管理办法》 等法律法规和中国证监会及深圳证券交易所的有关规定，诚实守信，勤勉尽责， 严格按照依法制定的业务规则和行业自律规范出具本上市保荐书，并保证所出具 文件真实、准确、完整。 除非特别注明，本上市保荐书所使用的简称和术语与《江苏本川智能电路科 技股份有限公司向不特定对象发行可转换公司债券募集说明书》一致。 目 录 东北证券股份有限公司 本川智能拟向不特定对象发行可转换公司债券，募集资金不超过 49,000.00 万元（含 49,000.00 万元），东北证券作为本川智能本次发行的保荐人，根据《公 司法》《证券法》《注册管理办法》《上市规则》等相关法律、法规及规范性文 件的规定，认为本次发行的可转换公司债券具备在深圳证券交易所上市的条件。 ...

国浩律师（深圳）事务所 关 于 江苏本川智能电路科技股份有限公司 向不特定对象发行可转换公司债券 之 补充法律意见书（一） 深圳市深南大道 6008 号特区报业大厦 42、41、31DE 邮编：518034 电话/Tel: (+86)(755) 8351 5666 传真/Fax: (+86)(755) 8351 5333 网址/Website:http://www.grandall.com.cn 二〇二五年八月 国浩律师（深圳）事务 （一） 国浩律师（深圳）事务所 补充法律意见书（一） 国浩律师（深圳）事务所 关于江苏本川智能电路科技股份有限公司 向不特定对象发行可转换公司债券之 补充法律意见书（一） 致：江苏本川智能电路科技股份有限公司 国浩律师（深圳）事务所受江苏本川智能电路科技股份有限公司（下称"本 川智能"或"公司"）的委托，担任本川智能申请股票向不特定对象发行可转换 公司债券（下称"本次发行"）的特聘专项法律顾问。本所律师根据《中华人民 共和国公司法》（以下简称"《公司法》"）、《中华人民共和国证券法》（以 下简称"《证券法》"）、《上市公司证券发行注册管理办法》（以下简称"《注 册管理办法》"）等 ...

Core Viewpoint - The Shanghai Stock Exchange's Listing Review Committee has approved the initial public offering of Super Electronics Circuit Co., Ltd, confirming that it meets the issuance, listing, and information disclosure requirements [1] Group 1: Company Overview - Super Electronics specializes in a wide range of products used in automotive electronics, displays, storage, consumer electronics, and communications, including double-sided boards, 26-layer boards, HDI boards, thick copper boards, metal substrates, and high-frequency high-speed boards [1] - The company primarily focuses on automotive electronic PCBs and is one of the few domestic companies capable of mass-producing multi-layer HDI and any-layer interconnected HDI automotive electronic boards [1] Group 2: Partnerships and Applications - Super Electronics has established stable partnerships with global Tier 1 automotive suppliers such as Continental, Valeo, Bosch, and Aptiv, as well as well-known new energy vehicle manufacturers like Tesla [1] - In traditional fuel vehicle applications, Super Electronics' products cover various PCB needs across the vehicle, including power control systems, central control systems, electronic dashboards, lighting systems, seat control systems, radar systems, and navigation systems, with applications in luxury car brands like Bentley, Porsche, Ferrari, Mercedes-Benz, BMW, Audi, Volkswagen, and Toyota [1] Group 3: New Energy Vehicles and Technology - In the new energy vehicle sector, Super Electronics focuses on cutting-edge product technology development, with applications in battery management systems, motor controllers, intelligent driving systems, intelligent cockpit domain controllers, and charging piles [2] - The company employs advanced technologies such as plasma degluing, pulse plating, selective plating, ultra-low loss materials, and asymmetric pressing to produce "high-frequency millimeter-wave radar boards," which are currently used in numerous well-known automotive production models [2] Group 4: Display and Storage Applications - In the display sector, Super Electronics collaborates with major PCB manufacturers like Zhi Chao and JandK Technology, and has established long-term stable partnerships with leading display panel manufacturers such as BOE and LG Group, with products used in LCD, OLED, and Mini LED displays [2] - In the storage domain, Super Electronics' products are primarily used in mechanical hard drives, solid-state drives, and memory modules, maintaining stable partnerships with leading global mechanical hard drive manufacturers like Seagate and Western Digital, as well as renowned solid-state drive manufacturers like SK Hynix [2]

Core Viewpoint - Shenzhen Jingwang Electronics Co., Ltd. has experienced significant stock price fluctuations, with a cumulative increase exceeding 20% over three consecutive trading days, prompting a warning for investors to exercise caution in their investment decisions [1][2]. Company Overview - The company specializes in the research, development, production, and sales of PCBs (Printed Circuit Boards), including multi-layer boards, thick copper boards, high-frequency and high-speed boards, metal-based circuit boards, double-sided/multi-layer flexible circuit boards, high-density flexible circuit boards, HDI boards, rigid-flex boards, special material PCBs, carrier boards, and packaging substrates [1]. - Its products are widely used in various sectors such as automotive, next-generation communication technology, data centers, AIoT, consumer electronics, industrial interconnect, medical devices, new energy, and satellite communication [1]. Stock Performance - The stock price of the company reached a new high on June 30, 2025, following a significant short-term increase, which has raised concerns about potential investment risks [1]. - The company's recent trading volume has significantly exceeded previous levels, indicating heightened market activity [3]. Shareholder Actions - The controlling shareholder, Jinghong Yongtai Investment Holdings Co., Ltd., along with other related parties, has announced a plan to reduce their holdings by a total of 29.49 million shares, which is up to 3% of the company's total share capital, through both centralized bidding and block trading methods [3][4]. - As of the announcement date, the reduction plan is currently in progress, with a portion of shares already sold in accordance with the disclosed plan [4]. Regulatory Compliance - The company has confirmed that there are no undisclosed matters that should be reported according to the regulations of the Shanghai Stock Exchange [5].

Core Viewpoint - Jingwang Electronics (603228) has experienced significant stock price increases, achieving a cumulative rise of over 28% in the last three trading days, while its controlling shareholder has executed share reductions [2][4]. Group 1: Shareholder Actions - The controlling shareholder, Shenzhen Jinghong Yongtai Investment Holding Co., Ltd., and Zhichuang Investment Co., Ltd. have reduced their holdings by a total of 9.597 million shares from June 27 to June 30 [4]. - The shareholding ratio of the controlling shareholder and its concerted parties decreased from 61.96% to 60.93% due to the share reduction and the conversion of convertible bonds [4][6]. Group 2: Trading Details - On June 27, a block trade of 4.321 million shares was executed at a price of 33.01 yuan per share, representing a discount of 13.22% compared to the market closing price of 38.04 yuan per share [6]. - On June 30, another block trade of 5.276 million shares occurred at a price of 35.76 yuan per share, reflecting a discount of 14.53% compared to the market closing price of 41.84 yuan per share [6]. Group 3: Company Overview - Jingwang Electronics specializes in PCB (Printed Circuit Board) business and has seen its market capitalization reach 39.1 billion yuan due to recent market interest [7]. - The company is recognized as a national high-tech enterprise, focusing on the R&D, production, and sales of various types of PCBs, which are widely used in automotive, next-generation communication technologies, data centers, and AIoT applications [7].

Core Viewpoint - Shenzhen Jingwang Electronics Co., Ltd. maintains a stable credit rating of AA, with a positive outlook due to its strong market position and product advantages in the PCB industry [4][8]. Company Overview - The company ranks 10th globally and 3rd among domestic PCB manufacturers in China, benefiting from a diverse customer base and broad application fields including automotive, communication technology, and consumer electronics [6][18]. - The company has a significant number of patents, with 30 new invention patents added in 2024, enhancing its competitive edge [6][18]. Financial Performance - Total assets increased to 203.41 billion RMB in 2024, with total liabilities at 172.31 billion RMB, reflecting a healthy financial position [4][21]. - Revenue for 2024 reached 126.59 billion RMB, with a net profit of 11.60 billion RMB, indicating growth driven by demand in data centers and automotive electronics [4][21]. - The EBITDA margin was 22.73% in 2024, although it experienced a slight decline due to rising raw material costs [21][25]. Market Position and Competitive Landscape - The company holds a strong market share in the PCB industry, with a focus on high-density interconnect (HDI) products, which are expected to see significant growth due to AI server demand [11][12]. - The PCB market is projected to grow, with a global market value of 73.6 billion USD in 2024, driven by recovery in the AI server and consumer electronics sectors [10][11]. Operational Environment - The company operates multiple production bases in China and is expanding internationally, with a focus on maintaining high capacity utilization rates [18][19]. - The PCB industry is facing challenges from high raw material prices and increased competition, which may impact profit margins [13][20]. Future Outlook - The company is expected to continue benefiting from its strong market position and diverse applications, although it must navigate potential cost pressures and external factors such as U.S. tariff policies [7][17]. - The credit rating agency maintains a stable outlook for the company, anticipating sustained business viability due to its leading position in the PCB sector [8].

Core Viewpoint - The company, Yidun Electronics, reported a strong performance in Q1 2025, with revenue and net profit both increasing, driven by the recovery in the electronics industry and growing demand in automotive electronics [1][2]. Group 1: Financial Performance - In Q1 2025, Yidun Electronics achieved revenue of 946 million yuan, representing a year-on-year growth of 15.58% [1] - The net profit for the same period was 116 million yuan, reflecting a year-on-year increase of 11.04% [1] Group 2: Business Focus and Market Position - Yidun Electronics specializes in high-precision, high-density printed circuit boards (PCBs) and has established itself as a key player in the automotive electronics supply chain, collaborating with major industry leaders [2] - The company has successfully completed large-scale production deliveries for leading new energy clients such as BYD and has deepened partnerships with Continental and Valeo, enhancing its market share [2] Group 3: Future Capacity and Expansion - Yidun Electronics has factories in Zhongshan and Thailand, with existing capacity nearly fully utilized and new capacity being gradually released [3] - The company plans to leverage available land at its Zhongshan facility to increase production capacity based on market demand and order conditions [3]

江西威尔高电子股份有限公司 招股说明书 首次公开发行股票并在创业板上市 招股说明书 （中国（上海）自由贸易试验区浦明路 8 号） 本次发行股票拟在创业板上市，创业板公司具有创新投入大、新旧产业融合 存在不确定性、尚处于成长期、经营风险高、业绩不稳定、退市风险高等特 点，投资者面临较大的市场风险。投资者应充分了解创业板的投资风险及本公 司所披露的风险因素，审慎作出投资决定。 江西威尔高电子股份有限公司 Jiangxi Welgao Electronics Co., Ltd. （江西省吉安市井冈山经济技术开发区永锦大道 1 号） 1-1-1 江西威尔高电子股份有限公司 招股说明书 1-1-2 保荐人（主承销商） 江西威尔高电子股份有限公司 招股说明书 声明 中国证监会、交易所对本次发行所作的任何决定或意见，均不表明其对发 行人注册申请文件及所披露信息的真实性、准确性、完整性作出保证，也不表 明其对发行人的盈利能力、投资价值或者对投资者的收益作出实质性判断或保 证。任何与之相反的声明均属虚假不实陈述。 根据《证券法》规定，股票依法发行后，发行人经营与收益的变化，由发 行人自行负责；投资者自主判断发行人的投资价值，自 ...

江西威尔高电子股份有限公司 招股意向书 本次发行股票拟在创业板上市，创业板公司具有创新投入大、新旧产业融合 存在不确定性、尚处于成长期、经营风险高、业绩不稳定、退市风险高等特 点，投资者面临较大的市场风险。投资者应充分了解创业板的投资风险及本公 司所披露的风险因素，审慎作出投资决定。 江西威尔高电子股份有限公司 Jiangxi Welgao Electronics Co., Ltd. （江西省吉安市井冈山经济技术开发区永锦大道 1 号） 首次公开发行股票并在创业板上市 招股意向书 保荐人（主承销商） （中国（上海）自由贸易试验区浦明路 8 号） 江西威尔高电子股份有限公司 招股意向书 声明 中国证监会、交易所对本次发行所作的任何决定或意见，均不表明其对发 行人注册申请文件及所披露信息的真实性、准确性、完整性作出保证，也不表 明其对发行人的盈利能力、投资价值或者对投资者的收益作出实质性判断或保 证。任何与之相反的声明均属虚假不实陈述。 根据《证券法》规定，股票依法发行后，发行人经营与收益的变化，由发 行人自行负责；投资者自主判断发行人的投资价值，自主作出投资决策，自行 承担股票依法发行后因发行人经营与收益变化或 ...