Group 1: Company Involvement in Projects - The company has products applied in major hydropower projects, such as the Baihetan and Wudongde hydropower stations [2][3] - The company is actively monitoring the Yarlung Tsangpo River downstream hydropower project, which has uncertain demand and order volume for the company’s products [3] Group 2: Market Trends and Product Demand - The frequency of seal replacements has not significantly decreased despite economic pressures; however, some clients have shown a slight increase in repair over replacement [3][4] - The value of sealing products is low in the total investment of projects, but timely replacement is crucial for the stable operation of equipment [3] Group 3: Quality and Lifespan of Sealing Products - As the petrochemical industry advances, the quality requirements for sealing products are increasing due to longer maintenance cycles [4] - The average lifespan of sealing products is gradually increasing, but this will have a slow impact on the replacement cycle in the existing market [5]

一、公司新换发《营业执照》具体内容 统一社会信用代码：91510000621607817X 证券代码：300470 证券简称：中密控股 公告编号：2025-030 中密控股股份有限公司 关于完成工商变更登记并换发营业执照的公告 本公司及董事会全体成员保证信息披露内容的真实、准确、 完整，没有虚假记载、误导性陈述或重大遗漏。 中密控股股份有限公司（以下简称"公司"）于 2025 年 4 月 11 日召开第六 届董事会第五次会议、于 2025 年 5 月 7 日召开 2024 年年度股东会，分别审议通 过了《关于注销回购股份暨减少公司注册资本的议案》，具体内容详见公司刊登 在中国证监会指定创业板信息披露媒体巨潮资讯网（http://www.cninfo.com.cn） 的相关公告。 公司于近日完成相关工商变更登记手续，并取得成都市市场监督管理局换发 的《营业执照》。 含特种设备制造）；气压动力机械及元件销售；气压动力机械及元件制造；密封 用填料销售；高性能密封材料销售；高品质合成橡胶销售；数控机床销售；泵及 真空设备制造；泵及真空设备销售。（除依法须经批准的项目外，凭营业执照依 法自主开展经营活动）许可项目：特种 ...

Group 1 - The core viewpoint of the article is that Zhongmi Holdings' subsidiary, Youtaike, is a key supplier of sealing rings for shield tunneling machines in China [1] - Youtaike's clients include China Railway Industry and China Railway Construction Heavy Industry [1]

Core Points - The company completed a share buyback program, repurchasing a total of 2,818,700 shares at a maximum price of 41.28 CNY per share and a minimum price of 33.18 CNY per share, with a total transaction amount of 104,200,187.35 CNY [1] - Following the buyback, the total share capital decreased from 208,171,277 shares to 207,961,737 shares due to the cancellation of 209,540 shares [3][6] - The company’s major shareholder, Sichuan Chuanji Investment Co., Ltd., retained its shareholding of 45,970,265 shares, with a negligible change in ownership percentage [6] Buyback Implementation - The buyback was conducted through centralized bidding for the purpose of implementing employee stock ownership plans or equity incentive plans [1][2] - The total number of shares repurchased in the second buyback was 1,993,840 shares, with a total amount of 71,433,281.44 CNY [2] Share Cancellation Process - The company held board meetings to approve the cancellation of the unused shares from the buyback, which was completed on July 11, 2025 [2][6] - The cancellation of shares complies with relevant laws and regulations, and the company will proceed with necessary changes to its business registration and articles of association [6] Post-Cancellation Share Structure - After the cancellation, the share structure was updated, with the total share capital now at 207,961,737 shares [3][6] - The shareholding structure remains largely unchanged for major stakeholders, with the overall impact on ownership percentages being minimal [6]

证券代码：300470 证券简称：中密控股 公告编号：2025-029 中密控股股份有限公司 关于回购股份注销完成暨股份变动公告 根据《中华人民共和国公司法》《深圳证券交易所上市公司自律监管指引第 9 号——回购股份》等相关法律法规规定，现就本次回购股份注销完成暨股份变 动的具体情况公告如下： 一、回购股份的实施情况 1、公司于 2022 年 4 月 24 日至 2023 年 4 月 23 日期间实施公司股份回购， 采取集中竞价交易方式回购公司 A 股普通股股份，用于实施公司员工持股计划或 股权激励计划，累计回购股份数量为 2,818,700 股，最高成交价为 41.28 元/股， 最低成交价为 33.18 元/股，成交总金额为 104,200,187.35 元（不含交易费用）， 具体内容详见公司于 2023 年 4 月 26 日刊登在中国证监会指定的创业板信息披 露媒体巨潮资讯网（http://www.cninfo.com.cn）的《关于回购股份实施结果暨 股份变动的公告》。 2、公司于 2024 年 4 月 23 日至 2024 年 7 月 31 日期间实施公司股份回购， 采取集中竞价交易方式回购公司 A ...

Group 1: Business Performance - The gross margin difference between incremental and stock business is significant due to different pricing mechanisms and purchasing entities [2][3] - Incremental business pricing is primarily determined by project bidding results, while stock business pricing is negotiated with end-users [2] Group 2: Product Application - The company's mechanical seal products are mainly used in rotating equipment, and there is currently no identified demand for mechanical seals in the nuclear fusion sector [2] Group 3: Mergers and Acquisitions Strategy - Mergers and acquisitions are a long-term strategy for the company, focusing on high-risk investments without short-term targets [3] - The company emphasizes the importance of integration post-acquisition, having developed a suitable integration plan through experience from four previous acquisitions [3] - The company aims to maintain long-term relationships with suitable acquisition targets and will prioritize core competencies in the sealing industry for any cross-industry mergers [3] Group 4: Capacity Investment - The input-output ratio for newly added equipment in the mechanical seal sector is approximately 1:10, excluding land and factory costs [3]

Group 1: Company Research - Hengshuai Co., Ltd. focuses on cleaning services (46.3%) and motor business (45.6%), with plans to expand into in-car motors and chassis fields, particularly in high-torque harmonic brushless motors [1] - The traditional cleaning market is highly competitive with price wars, while the micro-motor market is compact with less competition [1] - DS active sensing cleaning system has secured clients like Waymo, with an annual production capacity of 250,000 units for gas-liquid mixed cleaning systems [1] - The thermal management system business has achieved mass production, with future plans to develop more clients [1] - The company aims to expand into industrial automation and humanoid robot markets [1] Group 2: Industry Insights - Zhongmi Holdings holds a market share of over 20% in the domestic petrochemical sector, with a market share of 60%-70% in the incremental market [1] - International projects have higher requirements, longer construction periods, and greater personnel and language demands compared to domestic projects [1] - Gross margins for incremental international business are slightly higher than domestic, while gross margins for existing domestic business are expected to remain high [1] - The gross margin for domestic incremental business is already low, with limited potential for further decline, indicating market concentration towards leading enterprises [1] Group 3: Fund Performance - Baoying Fund, established in 2001, has an asset management scale of 80.372 billion yuan, ranking 66th out of 210 [2] - The non-monetary public fund asset management scale is 51.118 billion yuan, ranking 74th out of 210 [2] - The fund manages 122 public funds, ranking 63rd out of 210, with 18 public fund managers, ranking 73rd out of 210 [2] - The best-performing public fund product in the past year is Baoying New Sharp Mixed A, with a latest unit net value of 2.58 and a growth of 43.17% in the past year [2]

Market Position - The domestic market size for mid-to-high-end mechanical seals is approximately 6 to 7 billion, with the petrochemical sector accounting for about 25% of this market [2] - The company's market share in the domestic petrochemical sector is slightly over 20%, while it can reach 60% to 70% in large projects within the incremental market [2] Project Differences - Key differences between overseas and domestic projects include higher technical and process requirements for overseas projects, longer construction periods, higher personnel quality requirements, and language proficiency [3] Profit Margins - The overall gross margin for incremental business in international markets is slightly higher than that in domestic markets, with the company adopting a strategy of "capturing incremental to occupy stock" [3] - Domestic incremental business margins are under pressure due to reduced downstream capital expenditure and increased competition, leading to lower margins [3] - The company anticipates that the gross margin for incremental business will not decline significantly further, as market trends favor leading enterprises [3]

Core Insights - The company, Zhongmi Holdings, has celebrated its 10th anniversary since its listing on June 12, 2015, with a market capitalization growth from 2.657 billion yuan to 7.627 billion yuan, indicating not only scale expansion but also continuous accumulation of technical strength [1][5] - The company has maintained a stable growth momentum in recent years, despite the overall market fluctuations [1] Business Overview - Zhongmi Holdings specializes in the design, research and development, manufacturing, and sales of various mechanical seals, providing comprehensive technical services including consulting, training, installation, and maintenance [3] - The main products include mechanical seals and dry gas seals along with control systems, with mechanical seals accounting for the highest revenue share at 30.17%, followed by dry gas seals and control systems at 26.59% [3] Financial Performance - In 2015, the company achieved a net profit attributable to shareholders of 82 million yuan, which increased to 392 million yuan by the end of the latest complete fiscal year in 2024, representing a cumulative profit growth of 378.08% [3] - The company has not reported any losses in the past ten years, with net profit growth occurring in 8 out of those years, equating to an 80% success rate [3] - Revenue has shown steady growth, increasing from 924 million yuan in 2020 to 1.567 billion yuan in 2024, with a double-digit compound annual growth rate [3] - Net profit has also shown an upward trend, rising from 211 million yuan in 2020 to 392 million yuan in 2024, with the most significant increase occurring in 2021 [3] Market Capitalization - Since its listing, Zhongmi Holdings' market capitalization has increased by 1.87 times, reflecting investor confidence in the company's long-term development [5] - The peak market capitalization reached 11.419 billion yuan on February 18, 2021, with the stock price rising to 54.85 yuan, while the latest closing price on June 11 was 36.64 yuan, resulting in a current market capitalization of 7.627 billion yuan [5][6] - Compared to its peak, the market capitalization has decreased by 3.792 billion yuan, representing a 33.20% decline [6]

证券代码：300470 证券简称：中密控股 公告编号：2025-028 本公司及董事会全体成员保证信息披露的内容真实、准确、 完整，没有虚假记载、误导性陈述或重大遗漏。 中密控股股份有限公司（以下简称"中密控股"或"公司"）于近日收到由 中华人民共和国国家知识产权局颁发的6项专利证书，获得形式为原始取得，所 涉及技术与公司主要技术相关，具体情况如下： | 序 | 名称 | 类型 | 专利号 | 专利权人 | | 申请日 | | 期 限 | | 授权公告日 | | 备注 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 号 | | | | | | | | （年） | | | | | | | | 干式机械密 | 实用 | ZL 2024 2 | | 2024 | | 年 | | 2025 | 年 | 05 | 证书号第 | | | 1 | 封的布气结 | 新型 | | 中密控股 | 08 | 月 | 01 | 10 | | | | | | | | | | 1852018.X | | ...