Investment Rating - The report maintains a "Positive" investment rating for the mechanical equipment industry [6]. Core Insights - The mechanical equipment industry experienced a year-on-year revenue growth of 7.64% in Q2 2025, with a narrowing growth rate compared to the previous quarter. Key segments with accelerated revenue growth include wind power equipment, PCB(A), shipbuilding, lithium battery equipment, and instruments [13][18]. - The industry saw a year-on-year increase in net profit excluding non-recurring items of 16.22% in Q2 2025, with wind power and lithium battery equipment showing accelerated growth. The shipbuilding sector led with a 106% year-on-year increase, although this was affected by a low base [18][31]. - The overall profitability of the mechanical equipment industry strengthened in Q2 2025, with notable performance in the shipbuilding, railway equipment, and oil and gas equipment sectors [31]. Summary by Sections Overall Mechanical Equipment Overview - The mechanical equipment industry reported a year-on-year revenue growth of 7.64% in Q2 2025, with revenue growth accelerating in specific segments [13]. - The net profit excluding non-recurring items grew by 16.22% year-on-year, with wind power and lithium battery equipment leading the growth [18]. - The industry’s net profit margin increased by 0.38 percentage points year-on-year in Q2 2025, indicating improved profitability across various segments [25]. Subsector Performance - The engineering machinery sector saw a revenue increase of 8.7% in H1 2025, driven by strong overseas sales and diversified business contributions [44]. - Major companies in the engineering machinery sector, such as SANY Heavy Industry and XCMG, reported significant revenue growth, with SANY achieving a 15% increase year-on-year in H1 2025 [41][44]. - The overall net profit for the engineering machinery sector reached 161 billion yuan in H1 2025, reflecting a 25.1% year-on-year increase, with profit growth outpacing revenue growth [45].

Core Viewpoint - The company, Weiman Sealing (301161), reported successful validation of certain FFKM rubber sealing products developed by its subsidiary, Guangzhou Jiasite, in the semiconductor manufacturing equipment sector, indicating a positive growth trend despite a relatively small sales scale [1] Group 1 - The company is actively seeking new cooperation models and business expansion paths to enhance its core competitiveness in the semiconductor sector [1] - The sales scale of the validated products remains small, with some products still undergoing active validation [1]

Group 1: Semiconductor Sealing Development - The company’s subsidiary, Shanghai Jiano, has successfully validated FFKM rubber sealing products in the semiconductor production equipment sector, maintaining a good growth trend despite a small sales scale [2] - The company is actively seeking new cooperation models and business expansion paths by increasing R&D investment and promoting technological iteration and product innovation [2][3] Group 2: Robotics Sector Engagement - In the robotics sealing field, the company is collaborating with leading industry clients for joint R&D to determine technical solutions, with many technical paths and product forms still in the evolution and optimization process [3] - The company aims to deepen ties with top clients to jointly promote the maturity of industry technical standards and finalize product solutions [3] Group 3: Construction Machinery Industry - The sealing component value in excavators is low relative to total equipment value but is critically important, requiring significant time and effort for material technology and application technology development [3] - The company is pushing for domestic substitution of sealing products and increasing market share, particularly in core segments like excavators [3] Group 4: Oil and Gas Sector Growth - The sealing products in the oil and gas sector have performance comparable to leading international companies, with strong customization attributes and certifications from top oil service companies [4] - The company is focusing on global market expansion, including a key project in Saudi Arabia, and is accelerating the establishment of overseas sales and service networks [4] Group 5: R&D Focus and Future Strategy - The company emphasizes research on materials, continuously improving material formulations to meet diverse market demands and enhancing production efficiency through improved equipment and processes [4] - Future strategies include strengthening the basic material system, enhancing independent product development capabilities, and focusing on investment and acquisition of quality enterprises with material technology [4]

Core Points - The company, Weiman Sealing, announced the release of lock-up shares, totaling 66,672,000 shares, which represents 55.56% of the company's total share capital [2] - The lock-up period for these shares has been 36 months since the company's initial public offering [2] - The shares will be available for trading starting from September 15, 2025, due to the original date falling on a non-trading day [2]

证券代码：301161 证券简称：唯万密封 公告编号：2025-057 上海唯万密封科技股份有限公司 关于首次公开发行前已发行股份解除限售 并上市流通的提示性公告 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。 特别提示： 1、本次解除限售的股份为上海唯万密封科技股份有限公司（以下简称"公 司"）首次公开发行前已发行的股份。 2、本次解除限售的股东户数为 4 户，解除限售股份数量为 66,672,000 股， 占公司总股本的 55.56%，锁定期为自公司公开发行股票上市之日起 36 个月。 3、本次解除限售股份的上市流通日为 2025 年 9 月 14 日（星期日）。因该 日为非交易日，故上市流通日顺延至下一交易日 2025 年 9 月 15 日（星期一）。 一、首次公开发行前已发行股份概况 经中国证券监督管理委员会《关于同意上海唯万密封科技股份有限公司首次 公开发行股票注册的批复》（证监许可[2022]1230 号）同意注册，公司首次公 开发行人民币普通股（A 股）股票 30,000,000 股，并于 2022 年 9 月 14 日在深 圳证券交易所创业板上 ...

国信证券股份有限公司 关于上海唯万密封科技股份有限公司 首次公开发行前已发行股份解除限售 并上市流通的核查意见 国信证券股份有限公司（以下简称"国信证券"或"保荐人"）作为上海唯万密 封科技股份有限公司（以下简称"唯万密封"、"上市公司"、"公司"）首次公开发 行股票的保荐人，根据《证券发行上市保荐业务管理办法》、《深圳证券交易所创 业板股票上市规则》《深圳证券交易所上市公司自律监管指引第 2 号——创业板 上市公司规范运作》等相关法律、法规和规范性文件的规定，对唯万密封首次公 开发行前已发行股份解除限售并上市流通的事项进行了审慎核查，核查意见如下： 一、首次公开发行前已发行股份概况 经中国证券监督管理委员会《关于同意上海唯万密封科技股份有限公司首次 公开发行股票注册的批复》（证监许可[2022]1230 号）同意注册，公司首次公开 发行人民币普通股（A 股）股票 30,000,000 股，并于 2022 年 9 月 14 日在深圳证 券交易所创业板上市。首次公开发行股票完成后公司总股本为 120,000,000 股， 其中有流通限制或限售安排的股份数量为 93,459,067 股，占发行后总股本的比例 为 ...

Summary of Key Points Core Viewpoint - On September 8, a total of 32 stocks were involved with institutional investors, with 17 showing net buying and 15 showing net selling [1]. Institutional Net Buying - The top three stocks with the highest net buying by institutions were: - Zhejiang Haideman: Net buying amount of 222.36 million yuan, with a price increase of 20.00% [2]. - New Han New Materials: Net buying amount of 98.84 million yuan, with a price increase of 20.00% [2]. - Sanqi Interactive Entertainment: Net buying amount of 93.46 million yuan, with a price increase of 10.02% [2]. Institutional Net Selling - The top three stocks with the highest net selling by institutions were: - Weiman Sealing: Net selling amount of 78.35 million yuan [3]. - Jingxing Paper Industry: Net selling amount of 69.16 million yuan [3]. - Duofluo: Net selling amount of 62.44 million yuan [3].

唯万密封今日上涨10.57%，全天换手率38.89%，成交额7.56亿元，振幅11.35%。龙虎榜数据显示，机构 净卖出7835.45万元，营业部席位合计净买入2161.52万元。 深交所公开信息显示，当日该股因日换手率达38.89%上榜，机构专用席位净卖出7835.45万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交3.38亿元，其中，买入成交额为1.41亿 元，卖出成交额为1.97亿元，合计净卖出5673.93万元。 具体来看，今日上榜的营业部中，共有7家机构专用席位现身，即买一、买三、买四、买五、卖一、卖 二、卖三、卖四，合计买入金额1.01亿元，卖出金额1.80亿元，合计净卖出7835.45万元。 近半年该股累计上榜龙虎榜8次，上榜次日股价平均涨0.88%，上榜后5日平均跌0.06%。 资金流向方面，今日该股主力资金净流入5739.89万元，其中，特大单净流入5014.74万元，大单资金净 流入725.14万元。近5日主力资金净流入1.18亿元。 机构评级来看，近5日共有1家机构评级买入。预计目标价最高的是国信证券，9月7日国信证券发布的研 报给予公司目标价位44.45元。（数据宝） ...

从资金流向上来看，当日工程机械板块主力资金净流出2.21亿元，游资资金净流入1236.14万元，散户资 金净流入2.09亿元。工程机械板块个股资金流向见下表： | 代码 | 名称 | 主力净流入(元) | 主力净占比 游资净流入(元) | | 游资净占比 散户净流入 (元) | | 散户净占比 | | --- | --- | --- | --- | --- | --- | --- | --- | | 301161 | 唯万密封 | 6231.53万 | 8.24% | September 1 904.03万 | 1.20% | -7135.55万 | -9.44% | | 001226 拓山重工 | | 4909.33万 | 20.72% | -1465.29万 | -6.18% | -3444.04万 | -14.54% | | 605305 | 中际联合 | 3040.20万 | 5.30% | -2842.60万 | -4.95% | -197.60万 | -0.34% | | 603338 | 浙江鼎力 | 1781.49万 | 6.28% | -1146.38万 | -4.04% | -635.11 ...

唯万密封今日涨10.57%，成交额7.56亿元，换手率38.89%，盘后龙虎榜数据显示，3家机构专用席位净 买入5791.80万元，有4家机构专用席位净卖出1.36亿元。 ...