Core Viewpoint - The company, Zhongmi Holdings, confirmed its subsidiary, Youtai Technology, is a long-term supplier of sealing components for major hydropower equipment manufacturers, including Dongfang Electric and Harbin Electric [1]. Group 1 - The company has established itself as a key supplier of high-quality domestic sealing solutions for hydropower turbines [1]. - Youtai Technology provides a variety of sealing products and solutions to clients such as Dongfang Electric, Harbin Electric, and Changjiang Electric Power [1].

Group 1 - The core issue raised by investors is the discrepancy regarding the controlling shareholder of the company, which was reported to have changed from Chuanji Investment to Provincial Machinery Institute, but the annual report still lists Chuanji Investment as the controlling shareholder [1] - The company clarified that the transfer of shares from Chuanji Investment to Provincial Machinery Institute, involving a total of 45,970,265 shares, is still in process and has not yet been completed [1] - As of now, Chuanji Investment remains the controlling shareholder of the company until the share transfer is finalized [1]

Group 1 - The company, Zhongmi Holdings (300470.SZ), has received inquiries regarding the research and development of magnetic liquid sealing [1] - The company stated that magnetic liquid sealing is a specialized sealing method and currently does not have ongoing R&D in this area [1] - However, the company has made some technical reserves related to magnetic liquid sealing [1]

Core Viewpoint - The company Zhongmi Holdings (300470) has indicated that it currently does not have research and development in magnetic liquid sealing, although it has made some technical reserves related to this specialized sealing form [1] Group 1 - Zhongmi Holdings has acknowledged that magnetic liquid sealing is a relatively unique sealing method [1] - The company is not actively engaged in the R&D of magnetic liquid sealing at this time [1] - There are existing technical reserves related to magnetic liquid sealing within the company [1]

Group 1 - The core viewpoint of the news is that Zhongmi Holdings Co., Ltd. has obtained a patent for an "Electric Boost Recovery System," which aims to enhance the stability of the pressure of recycled gas entering the compressor [1] - The patent was granted with the announcement number CN223179095U, and the application date was September 2024 [1] - The electric boost recovery system includes components such as an electric boost pump and a regulating component that adjusts the pump's operation based on the pressure in the intake pipe [1] Group 2 - Zhongmi Holdings Co., Ltd. was established in 1993 and is located in Chengdu, primarily engaged in the general equipment manufacturing industry [2] - The company has a registered capital of 2,079.61737 million RMB [2] - Zhongmi Holdings has made investments in 7 companies and participated in 1,332 bidding projects, holding 202 patents and 8 trademark registrations [2]

Core Viewpoint - Zhongmi Holdings announced the receipt of 9 patent certificates for its subsidiary Youtaike (Suzhou) Sealing Technology Co., Ltd. [2] Company Summary - Zhongmi Holdings has recently received 9 patent certificates, indicating a potential enhancement in its intellectual property portfolio [2] - The patents are likely to strengthen the company's competitive position in the sealing technology industry [2] Industry Summary - The announcement reflects ongoing innovation and development within the sealing technology sector, which may lead to increased market opportunities [2] - The acquisition of patents is a strategic move that could enhance the overall growth prospects of the sealing technology industry [2]

证券代码：300470 证券简称：中密控股 公告编号：2025-031 中密控股股份有限公司 发明专利《一种可控泄漏的油介质、大轴径的核主泵机械密封结构》涉及一 种可控泄漏的油介质、大轴径的核主泵机械密封结构，包括动环组件、盖体组件 和静环组件，动环组件包括轴套和密封动环，盖体组件包括插入环，静环组件包 关于取得专利证书的公告 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"）及控股子公司 优泰科（苏州）密封技术有限公司（以下简称"优泰科"）于近日收到由中华人 民共和国国家知识产权局颁发的9项专利证书，获得形式为原始取得，所涉及技 | 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） | | | | | | | | 1 | 一种密封环 联动适应 ...

Core Viewpoint - The company, Zhongmi Holdings (300470.SZ), has indicated that its products currently do not have any commercial orders in the aerospace sector [1] Group 1 - The company has communicated with investors through an interactive platform [1] - There is a lack of commercial orders for the company's products in the aerospace field [1]

Group 1 - The company, Zhongmi Holdings (300470.SZ), has indicated that its products can be applied in thorium-based nuclear reactors [1]

Core Viewpoint - The company, Zhongmi Holdings (300470.SZ), has indicated that its products have mature applications in the marine oil and gas extraction and transportation sectors, while deep-sea applications are still in the exploratory phase, resulting in minimal impact on revenue [1] Group 1 - The company's products are well-established in marine oil and gas extraction and transportation [1] - The subsidiary, Youtaike, has limited applications in deep-sea exploration [1] - Demand for the company's products in deep-sea applications is currently low, with negligible effects on revenue [1]