Group 1 - The core stock price of Xin Fengguang as of August 20, 2025, is 33.28 yuan, with a decrease of 0.05 yuan, representing a decline of 0.15% from the previous trading day [1] - The trading volume on that day was 28,128 hands, with a transaction amount of 0.93 billion yuan, and a fluctuation of 4.29% [1] - Xin Fengguang specializes in the research and manufacturing of power grid equipment, with business operations covering energy storage and other fields [1] Group 2 - The company is part of the Shandong sector and holds the qualification of a specialized and innovative enterprise, also involved in the concept of central and state-owned enterprise reform [1] - On August 20, the net outflow of main funds for Xin Fengguang was 224,100 yuan, with a cumulative net outflow of 16.64 million yuan over the past five trading days, accounting for 0.36% of the circulating market value [1]

8月20日公司公告显示，第四届监事会第十二次会议和第四届董事会第十三次会议审议通过了《关于调 整2023年限制性股票激励计划授予价格的议案》等多项议案。公司计划于9月3日举行2025年半年度业绩 说明会。根据披露的半年报数据，2025年上半年公司实现营业收入5.71亿元，同比下降3.00%；归母净 利润4650.56万元，同比下降22.38%；经营活动产生的现金流量净额为9664.6万元，同比增长19.49%。 截至2025年8月20日15时，杭华股份最新股价为9.07元，较前一交易日上涨1.11%。当日开盘价为9.02 元，最高触及9.12元，最低下探8.94元，成交量为47184手，成交金额达0.43亿元。 杭华股份主要从事UV油墨系列、胶印油墨系列、液体油墨系列、数码喷印油墨及功能材料类产品的研 发生产。公司产品线涵盖光刻胶色浆等电子化学品材料，业务涉及化学制品、浙江板块、专精特新等多 个领域。 8月20日主力资金净流入9.42万元，近五日主力资金净流出181.66万元。 风险提示：投资有风险，入市需谨慎。本文不构成任何投资建议，投资者应独立判断并承担相关风险。 ...

Group 1 - The core stock price of Lian Technology as of August 20, 2025, is 57.25 yuan, reflecting an increase of 0.46% from the previous trading day, with a trading volume of 0.66 billion yuan and a turnover rate of 6.91% [1] - Lian Technology's main business involves the research and production of plastic products, with a focus on robotics concepts and specialized fields [1] - The company's total market capitalization is 32.20 billion yuan, while its circulating market value stands at 9.69 billion yuan [1] Group 2 - On the evening of August 20, Lian Technology announced the redemption of structured deposit products purchased with part of its idle raised funds, totaling 47.787 million yuan, which generated a return of 108,900 yuan, with an annualized yield of 2.42% [1] - On the same day, the net inflow of main funds was 251,300 yuan, while the net outflow over the past five days amounted to 4.0348 million yuan [1]

Group 1 - The latest stock price of Changyingtong is 49.96 yuan, up 0.71% from the previous trading day, with a trading volume of 1.76 billion yuan [1] - The stock reached a high of 50.30 yuan and a low of 48.85 yuan during the trading session, with a fluctuation of 2.92% [1] - Changyingtong operates in the electronic components sector, focusing on the research and production of optical fiber devices and specialty optical fibers, and holds specialized qualifications [1] Group 2 - On August 20, a block trade occurred involving 1.22 million shares, with a transaction amount of 60.34 million yuan at a price of 49.46 yuan, representing a 1% discount to the closing price [1] - The net outflow of main funds on that day was 3.05 million yuan, accounting for 0.06% of the circulating market value; over the past five days, the net inflow was 19.28 million yuan, representing 0.41% of the circulating market value [1]

纳尔股份8月20日收盘报10.68元，较前一交易日上涨0.06元，涨幅0.56%。当日成交量为79508手，成交 金额达0.84亿元。 8月20日晚间，纳尔股份发布公告称，截至公告披露日，公司及全资子公司无逾期对外担保、无涉及诉 讼的对外担保及因担保被判决败诉而应承担损失的情形。 风险提示：股市有风险，投资需谨慎。 纳尔股份主要从事塑料制品的研发、生产和销售，产品广泛应用于汽车、电子、家电等领域。公司总部 位于上海，属于专精特新企业。 ...

截至2025年8月20日15时，锡南科技股价报30.40元，较前一交易日上涨1.33%。当日成交量为30594手， 成交金额达0.92亿元，换手率为9.11%。 锡南科技主营业务为汽车零部件制造，产品主要应用于汽车领域。公司属于汽车零部件板块，同时具有 专精特新、新能源车等概念属性。 公司在互动平台表示，其压壳类产品均应用于汽车领域。这一信息显示出公司在汽车产业链中的业务定 位。 从资金流向来看，锡南科技当日主力资金净流出360.22万元，近五日累计净流出1807.90万元。当前股价 位于五日线之上，呈现温和放量态势。 风险提示：股市有风险，投资需谨慎。 ...

Group 1 - The stock price of ZhiJian Electronics experienced fluctuations on August 20, closing at 48.14 yuan, down 2.49% from the previous trading day [1] - The opening price was 49.30 yuan, with a high of 49.50 yuan and a low of 46.83 yuan, resulting in an intraday volatility of 5.41% [1] - The trading volume was 70,310 hands, with a transaction amount of 336 million yuan, and a turnover rate of 13.90% [1] Group 2 - The company specializes in the research, production, and sales of lithium-ion batteries, primarily used in consumer electronics [1] - ZhiJian Electronics is part of several concept sectors, including batteries, Chongqing sector, AI glasses, specialized and innovative enterprises, and solid-state batteries [1] - The total market capitalization of the company is 4.757 billion yuan, with a circulating market value of 2.435 billion yuan [1] Group 3 - On August 20, the net outflow of main funds for ZhiJian Electronics was 12.9737 million yuan, accounting for 0.53% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow reached 33.5282 million yuan, representing 1.38% of the circulating market value [1] - A rapid rebound was observed at 10:38 AM, with a rise of over 2% within five minutes and a transaction amount of 194 million yuan [1]

Group 1 - The stock price of Yirui Bio is reported at 13.15 yuan, down 2.01% from the previous trading day, with an intraday high of 13.46 yuan and a low of 12.96 yuan, and a trading volume of 114 million yuan [1] - Yirui Bio's main business includes food rapid testing, animal epidemic disease testing, and in vitro diagnostics, with food rapid testing accounting for over 90% of its business [1] - The company is associated with sectors such as chemical pharmaceuticals, smallpox virus prevention, and specialized and innovative enterprises [1] Group 2 - On August 20, Yirui Bio announced that the board decided not to redeem the "Yirui Convertible Bonds" early, and if redemption clauses are triggered again within the next three months, the company will still not exercise its redemption rights [1] - On the same day, the net inflow of main funds was 4.467 million yuan, while the cumulative net outflow of main funds over the past five days was 10.4952 million yuan [1]

该公司主要从事溅射靶材、蒸镀材料等新型电子材料的研发生产，产品应用于半导体、平板显示等领 域。企业入选专精特新企业名单，在细分市场具备技术积累。 根据公司披露，截至8月8日股东总户数为46427户。早盘交易时段曾出现快速波动，五分钟内价格波动 幅度超过2%。 8月20日主力资金净流出2141.25万元，近五个交易日累计净流出2.03亿元。当前流通市值55.63亿元，动 态市盈率为负值。 风险提示：以上信息仅供参考，不构成任何投资建议。市场有风险，投资需谨慎。 阿石创最新股价报48.98元，较前一交易日上涨0.23元。盘中最高触及50.20元，最低下探46.28元，成交 金额达11.17亿元。 ...

我军新一代武器装备将集中亮相，北证指数 持续上涨 证券研究报告·北交所报告·北交所定期报告 北交所定期报告 20250820 2025 年 08 月 20 日 证券分析师 朱洁羽 执业证书：S0600520090004 zhujieyu@dwzq.com.cn 证券分析师 易申申 执业证书：S0600522100003 yishsh@dwzq.com.cn 证券分析师 余慧勇 执业证书：S0600524080003 yuhy@dwzq.com.cn 证券分析师 薛路熹 执业证书：S0600525070008 xuelx@dwzq.com.cn 研究助理 武阿兰 执业证书：S0600124070018 wual@dwzq.com.cn 相关研究 《数据产权制度今年将推出，北证指 数收跌 1.99%》 2025-08-14 《发改委超长期特别国债支持设备更 新投资补助资金下达完毕，北证 50 收 涨 0.84%》 2025-08-13 东吴证券研究所 1/8 请务必阅读正文之后的免责声明部分 [Table_Tag] [Table_Summary] ◼ 资本市场新闻： 1）8 月 LPR 保持不变：1 年期 3.0 ...