打新，飞一般的感觉。 今年上半年，打新市场延续了去年的火爆的势头。 第一财经根据Wind数据统计，上半年，8成新股一签浮盈过万元，最高则浮盈超6万元，可谓市场之内 皆是"肉签"。丰厚的打新收益，吸引来了大量资金参与，导致中签概率大幅下降，平均值仅为去年均值 的1/2左右。 打新行情火爆之际，过去被广泛关注的新股"三高"问题，即"高发行市盈率+高发行价格+高超募"，正在 持续朝着"低首发市盈率+低首发价格+低募资规模"方向迈进。 打新"飞一般的感觉" Wind数据显示：2025年上半年，A股共有51家新上市公司，较2024年上半年的44家增长了15.91%。其 中，创业板IPO数量最多，为20家；主板有18家、科创板有7家、北交所有6家。 上述51只新股，上市首日零破发，赚钱效应远高于去年上半年：首日平均涨幅达到229.09%，去年同期 为136.05%；44只上市首日涨幅超过1倍、29只涨幅超过2倍、13只涨幅超过3倍。 3月20日上市的江南新材（603124.SH），发行价为10.54元/股，盘中最高涨幅超过700%，创今年以来新 股首日最大涨幅，收盘涨606.83%，报收74.5元/股，全天换手率高达85 ...

募集资金方面，有17家企业计划募资金额超过10亿元。拟募资额最高的为振石股份，拟沪市主板IPO募集资金39.81亿元，分别用于玻璃纤维制品生产基地建 设项目、复合材料生产基地建设项目、西班牙生产建设项目以及研发中心及信息化建设项目。 | | | | 部分斯艾坤企业存情 | | | | | --- | --- | --- | --- | --- | --- | --- | | 企业名称 拟上市板 | | 所属行业(CSRC公布) | 拟募资额(亿元) | 保存机构 | 受理目期 | 2024营业收入(万元) | | 振石股份 上证主板 | | 非金属矿物制品业 | 39.81 | 中金公司 | 2025-06-25 | 443,879.18 | | 南网数字 创业板 | | 软件和信息技术服务业 | 25.54 | 招商证券 | 2025-06-27 | 608,972.26 | | 天海电子 深证主板 | | 汽车制造业 | 24.60 | 稻筒止存 | 2025-06-26 | 1,252,344.68 | | 未来材料 | 科创板 | 化学原料和化学制品制造业 | 24.46 | 中信证券 | 2025- ...

本周（6月30日—7月4日），A股市场仅有1只新股申购，为创业板的同宇新材（301630）。 该股将于本周二申购，公司单一账户申购上限为10000股，顶格申购需持深市市值10万元。值得注意的是，该 股发行价为84元/股，为今年以来A股市场发行价第三高的新股。 电子树脂作为制作覆铜板的三大原材料之一（树脂、增强材料和铜箔），对覆铜板性能存在至关重要的影响， 覆铜板是加工印制电路板（PCB）的基础材料，印制电路板是电子元器件的支撑体也是电气链接的载体。电子 树脂、覆铜板和印制电路板，已然成为现代电子产品中不可或缺的重要组成部件，最终被广泛应用于智能家 电、工业控制、计算机、消费电子、汽车电子、通讯等各个行业。目前，先进制造国家皆将电子信息行业列入 战略性重点发展行业，电子树脂作为重要基础材料之一，其开发及应用技术对产业发展起着关键性作用。 公司是中高端覆铜板行业电子树脂供应商，在内资企业中具有领先优势。公司主要客户包括建滔集团、生益科 技、南亚新材、华正新材、超声电子、金宝电子等覆铜板知名企业，通过服务覆铜板行业客户，公司产品最终 主要应用于计算机、消费电子、汽车电子、通讯等领域。 2022年度—2024年度，公 ...

Core Points - Guangxin Technology (920037) experienced a significant increase of 500.00% on its first trading day, with a turnover rate of 75.11% and a transaction volume of 1.274 billion yuan [2] - The stock's first-day margin trading saw a buy amount of 10.1522 million yuan, accounting for 0.80% of the total trading volume, while the latest margin balance stood at 9.0176 million yuan, representing 0.51% of the circulating market value [2] - The company focuses on the research, production, and sales of high-performance insulating fiber materials and their molded products, which are primarily used in power transmission and transformation systems, electrified railways, new energy industries, and military equipment [2] Recent IPO Margin Trading Summary - The first-day performance of recent IPOs shows varying degrees of price increases, with Guangxin Technology leading at 500.00%, followed by Xin Henghui (301678) at 229.06% and Huazhi (603400) at 170.98% [2][3] - The margin balances for these stocks on their first trading days also vary, with Guangxin Technology's margin balance at 9.0176 million yuan, while other notable stocks like Ying Shi Innovation (688775) had a margin balance of 47.63958 million yuan [2][3]

Company Overview - N Guangxin (920037) was listed on the Beijing Stock Exchange today, opening at 50.00 yuan, representing a 400.00% increase from the issue price [2] - The company focuses on the research, production, and sales of high-performance insulating fiber materials and their molded products, primarily used in power transmission and transformation systems, electrified railways, new energy industries, and military equipment [2] IPO Details - The company issued 20 million shares at an issue price of 10.00 yuan, with an earnings per share (EPS) ratio of 7.61 times [2] - The online issuance was 16 million shares, which was increased to 19 million shares due to an oversubscription mechanism, with 3 million shares allocated to online investors, accounting for 15.00% of the initial issuance [2] - The total effective subscription for the online issuance was approximately 55,254,937.78 million shares, resulting in a subscription multiple of 2908.15 times and an allocation ratio of 0.03% [2] Financial Performance - The company's projected net profits for 2022, 2023, and 2024 are 14.72 million yuan, 49.44 million yuan, and 116 million yuan, respectively [3]

Group 1 - The introduction of policies such as the draft law to promote the private economy and the establishment of a financing coordination mechanism for small and micro enterprises is enhancing the business environment and providing policy support for the high-quality development of private enterprises [1] - In the first quarter of 2025, 1.979 million new private enterprises were established nationwide, representing a year-on-year growth of 7.1%, exceeding the average growth rate of the past three years, indicating strong resilience in the development of private enterprises and individual businesses in China [1] - Shanghai Pudong Development Bank (SPDB) is committed to serving the real economy by increasing credit investment and improving service quality to stimulate the vitality of private enterprises [1] Group 2 - In Zhengzhou, the center of the national frozen food industry, Xinnian Foods is leveraging consumer demand and product innovation to create a technology-enabled path for fresh food [2] - The cold chain food industry is one of the 28 key industrial chains in Henan, with over 30 large-scale enterprises in Zhengzhou by the end of 2024, and the frozen food sector holds over 60% market share nationally [2] - Xinnian Foods has achieved a 90% mechanization level in production, transitioning from traditional manufacturing to intelligent manufacturing, which requires significant investment in supply chain management [4] Group 3 - SPDB has provided over 300 million yuan in funding to Xinnian Foods to support production equipment upgrades and raw material procurement, ensuring efficient and stable operation of production lines [4] - SPDB has customized supply chain financing services for Xinnian Foods, providing over 1 billion yuan in credit to more than 20 upstream suppliers and promoting the construction of local industrial clusters [5] Group 4 - Sichuan Huanlong New Materials Co., Ltd. specializes in the research, production, and sales of bamboo fiber bio-based materials and has received recognition as a "green factory" [6][8] - Huanlong's bamboo fiber products, such as the Banbu brand, aim to provide high-quality, environmentally friendly materials, contributing to rural revitalization and farmer income [8] - SPDB has supported Huanlong with 7 million yuan in funding during its transformation phase and continues to strengthen cooperation to support the company's growth and intelligent transformation [8] Group 5 - Zhejiang Haishide Food Co., Ltd. focuses on the processing of aquatic products and has established a close partnership with SPDB since 2013, receiving 5 million yuan in microloans to support its R&D efforts [12] - Haishide's products, including various seafood items, are exported, generating over 18 million USD in foreign exchange [12] - SPDB plans to expand its services to aquatic enterprises, including cross-border trade and supply chain business, to facilitate the transition from a single fishery economy to a comprehensive industrial chain economy in Zhoushan [12] Group 6 - The resilience and innovative capacity of private enterprises in China are evident, with financial institutions playing a crucial role in supporting their high-quality development [13] - SPDB aims to continue innovating service models to provide more precise and efficient financial support to private enterprises, contributing to the growth of the private economy [13]

必读要闻三：产能释放叠加规模化效应，这类材料应用场景不断拓展 据报道，曾经的"航天专属"，现在变成了"民品神器"，碳纤维材料应用场景不断拓展，也给更多行业带 来了新机遇。一台电动垂直升降飞行器，机身材料超70%用的是碳纤维复合材料，航程可以增加15%到 20%。预计到2030年，电动垂直起降飞行器领域对碳纤维的需求将增至1.17万吨，形成超百亿级的新兴 市场。 碳纤维及其复合材料，凭借优越的性能已在航空航天、汽车、新能源开发、休闲用品等领域得到广泛的 应用。技术突破，让曾经每吨20万元左右的T300级碳纤维，如今价格仅6万元左右，降幅达70%。产能 释放与规模化效应，让碳纤维从航天材料等高端领域"飞入"民用领域。用得起、用得上碳纤维的行业越 来越多。数据显示，2024年，我国碳纤维市场规模约171.4亿元，产量同比增长8.16%，出口同比增幅达 119.9%，在全球市场的竞争力显著提升。 必读要闻四：机构称政策加速推进下固态电池正进入从0到1阶段 媒体报道，近期，多家企业陆续披露了其在固态电池领域的最新进展和量产时间。业界认为，凭借高能 量密度、高安全性和快速充电能力，固态电池有望成为下一代电池的主流技术路线 ...

来源：光明网 图为Zelramic®300和Zeralon®3A纤维 材料行业专家指出，这是我国碳化硅纤维领域的重大突破，未来可广泛地应用于航空航天和核电等多个 领域，特别是对我国新型航空发动机和燃气轮机热端部件、高超音速飞行器热防护系统、核反应堆中的 核包壳管等和半导体、光伏热场材料等领域应用具有重大意义。 图为Zelramic®300、Zeralon®3A的SEM图（横截面和表面） 6月18-20日，SAMPE中国2025年会暨第二十届国际先进复合材料制品、原材料、工装及工程应用展览 会在北京举行。湖南泽睿新材料有限公司首次发布并展出两款耐温超1800℃的高结晶碳化硅纤维—— Zeralon®3A纤维与Zelramic®300纤维。 作为国内唯一通过掺杂路线实现碳化硅纤维产业化的国家高新技术企业，泽睿新材料依托湖南省工程实 验室与湖南省掺杂碳化硅纤维工程技术研究中心，建成了国内首条20吨/年掺杂型碳化硅纤维连续生产 线，产能较传统间歇式工艺提升40倍。 两款新产品对标美国COI公司Sylramic系列与日本宇部TyrannoSA系列，其高结晶特性使纤维在1800℃高 温下强度保留率超80%，微观结构稳定， ...

Core Insights - Hunan Zerui New Materials Co., Ltd. launched two revolutionary composite materials, Zeralon 3A fiber and Zelramic 300 fiber, at the 2025 China International Advanced Composite Materials Exhibition, marking a significant breakthrough in the silicon carbide fiber field with temperature resistance exceeding 1800℃ [1][9] - The new fibers are expected to have extensive applications in aerospace, nuclear power, and semiconductor industries, particularly in new aviation engines, gas turbine hot-end components, hypersonic vehicle thermal protection systems, and nuclear reactor components [1][9] Company Overview - Hunan Zerui New Materials Co., Ltd. is the only national high-tech enterprise in China focusing on the research and industrialization of silicon carbide fibers through doping routes, aiming to establish a silicon carbide fiber industry center in China [2][8] - The company is recognized as a "little giant" enterprise in Hunan Province, possessing independent intellectual property rights and comprehensive production capabilities for silicon carbide fibers, offering the widest variety and largest capacity of doped silicon carbide fibers in the country [2][8] Technological Advancements - The company has developed a continuous production line for doped silicon carbide fibers with a capacity of 20 tons per year, a 40-fold increase compared to the previous intermittent capacity of 500 kg per year, establishing itself as a leader in the field [9] - The newly launched fibers, Zeralon 3A and Zelramic 300, are high-crystallinity third-generation silicon carbide fibers that maintain over 80% strength retention at high temperatures, suitable for various composite material preparation processes [9][15] Production Capabilities - Hunan Zerui has built a ton-level production line for third-generation silicon carbide fibers, addressing the production efficiency issues associated with traditional methods, thus reducing costs and enhancing scalability [15] - The company has nearly 40 patents and a strong talent pool, including 23 PhD holders and 18 senior professionals, supporting its research and development efforts [8][9]

展台工作人员李涛说，希望能通过上交会展示新品，也与更多的采购方达成合作，实现先进技术的更快 落地。 脑机接口帮助脑卒中病人更好康复、月球土壤制成可用于建筑材料的复合纤维、人形机器人"走"入工厂 做起了训练……正在进行中的第十一届中国（上海）国际技术进出口交易会上，不少未来科技在这 里"首秀"，"剧透"未来生活的万千可能。 戴上非侵入式脑机接口的"帽子"，电脑就能解析使用者脑电波并转换成操控信号，帮助上肢运动功能障 碍的脑卒中患者更好康复——上海韶脑传感技术有限公司带来的"脑电采集康复训练设备"，去年底获得 上海市非侵入式脑机接口医疗注册证，现在已经在复旦大学附属中山医院、首都医科大学附属北京天坛 医院等10余家三甲医院开展临床试用。 本届上交会秉承"创新驱动发展、保护知识产权、促进技术贸易"理念，以"开放合作：赋能新质生产力 与可持续发展"为主题，总展出面积为3.5万平方米，汇聚了来自全球近20个国家和地区及国内近20个省 区市的创新成果，参展企业近千家。（记者周蕊） 东华大学展台上，工作人员正在展示自主研发的"月壤原位制备玄武岩纤维模块化装备"。新华社记者方 喆 摄 东华大学教授、博士生导师、先进纤维材料全 ...