Core Insights - The nano-diamond market in China is projected to grow from 173.12 million yuan in 2016 to 298 million yuan in 2024, with a compound annual growth rate (CAGR) of 7.02% [1][12] - The industry is expected to reach a market size of approximately 31.89 million yuan by 2025, driven by advancements in synthesis technology and increasing demand from high-end manufacturing, new energy, and electronic information sectors [1][12] - The future of the nano-diamond industry is anticipated to focus on high performance, green development, and collaborative industrial ecosystems [1][12] Industry Overview - Nano-diamonds are non-metal materials composed of sp³ hybridized carbon atoms, exhibiting exceptional hardness, high thermal conductivity, and biocompatibility [3] - They can be synthesized through various methods, including high-temperature high-pressure and detonation techniques, and are categorized into single-dispersed nano-diamond particles and nano-diamond polycrystals [3][9] Market Dynamics - The demand for nano-diamonds is increasing due to the rising performance requirements in downstream industries such as high-end manufacturing and new energy [1][12] - The industry is supported by national policies that encourage the development of new functional materials, including nano-diamonds [7][8] Application Areas - Nano-diamonds have diverse applications across various fields, including: - As additives in metal coatings to enhance part lifespan by 1-9 times and reduce coating thickness by over 50% [5] - In catalysis to improve propane dehydrogenation selectivity and stability in redox reactions [5] - As lubricating oil additives to decrease friction loss by 30-40% [5] - In aerospace for turbine blade coatings and composite material reinforcement [5] - In medicine as drug carriers and fluorescent probes for targeted tumor therapy and in vivo imaging [5] Industry Chain - The upstream of the nano-diamond industry includes raw materials like graphite and methane, as well as equipment for synthesis [9] - The midstream consists of nano-diamond synthesis and processing companies, while the downstream encompasses applications in abrasives, lubricants, aerospace, metal coatings, and medical fields [9][10] Competitive Landscape - The nano-diamond industry in China features several key players, including: - Huifeng Diamond, specializing in synthetic single crystal diamond powder [13] - Sifangda, focusing on superhard materials and related products [15] - The competition is intensifying, with companies emphasizing technological innovation, brand building, and market expansion [13][15] Future Trends - The nano-diamond industry is expected to expand its application scenarios and innovate functionalities, moving from traditional uses to high-value fields such as biomedical, quantum information, and advanced manufacturing [16] - There will be a focus on optimizing synthesis processes for precision control, scalability, and environmental friendliness [17] - Cross-disciplinary integration and collaboration between academia and industry will enhance innovation and facilitate the transition of nano-diamonds from laboratory to industrial application [19]

Group 1: Business Expansion - The company plans to acquire a 51% stake in Chengdu Mite Aviation Manufacturing Co., Ltd. for 194 million yuan, aiming to expand into the aerospace defense equipment sector and create new profit growth points [2] - Mite Aviation is recognized as a national-level specialized and innovative "little giant" enterprise with military qualifications, focusing on the R&D and manufacturing of aerospace standard and structural components [2] - The acquisition includes performance commitments, with net profits for Mite Aviation set to be no less than 5 million yuan, 18 million yuan, and 33 million yuan for the years 2025, 2026, and 2027 respectively, totaling at least 56 million yuan over three years [2] Group 2: Shareholder Actions - The company's controlling shareholders, He Guijing and He Junhua, announced a plan to reduce their holdings by up to 3% of the total share capital, equivalent to 3.2077 million shares, between October 29, 2025, and January 28, 2026 [3] - The ongoing share reduction plan may impact market sentiment as it is still in the implementation phase as of February 9, 2026 [3] Group 3: Financial Performance - The company's third-quarter report for 2025 indicates a revenue of 597 million yuan for the first three quarters, representing a year-on-year increase of 10.37% [4] - The net profit attributable to the parent company for the same period is 59.5416 million yuan, reflecting an 18.57% year-on-year growth [4] - Future attention is required on the annual report for 2025 and subsequent quarterly performance to assess the sustainability of business growth [4]

Group 1 - The core point of the article is that United Precision (001268) has announced the appointment of Mr. Xu Shengqiang as the new Deputy General Manager of the company [1]

证券代码：001268 证券简称：联合精密 公告编号：2026-007 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。 一、副总经理辞任事项 广东扬山联合精密制造股份有限公司（以下简称"公司"）董事会于近日收 到公司副总经理张勇军先生递交的书面辞职报告，因个人原因，张勇军先生申请 辞去副总经理职务，辞任后仍在公司担任其他职务。张勇军先生作为公司副总经 理的原定任期至公司第三届董事会任期届满之日止。根据《公司法》《公司章程》 等有关规定，张勇军先生递交的辞职报告自送达公司董事会之日起生效。 截至本公告日，张勇军先生间接持有公司 120,152 股股票，张勇军先生所持 公司股份将严格按照相关法律、法规及相关承诺管理，其不存在应当履行而未履 行的承诺事项。 公司及董事会对张勇军先生任职期间为公司发展所做的贡献表示衷心的感 谢。 广东扬山联合精密制造股份有限公司 关于公司副总经理辞任及聘任公司副总经理的公告 二、聘任副总经理事项 经公司总经理提名，并经公司董事会提名委员会审核，公司董事会于 2026 年 2 月 11 日召开第三届董事会第十次会议，审议通过《关于聘任公 ...

一、董事会会议召开情况 广东扬山联合精密制造股份有限公司（以下简称"公司"）第三届董事会第 十次会议通知于 2026 年 2 月 6 日以书面或邮件、微信、电话的方式送达，会议 于 2026 年 2 月 11 日下午 14 时在公司会议室以现场结合通讯方式召开。本次会 议应出席董事 7 名，实际出席董事 7 名。会议由董事长何桂景先生召集并主持， 公司高级管理人员列席了会议。本次会议的召开和表决程序符合《中华人民共和 国公司法》等法律、法规、规范性文件及《广东扬山联合精密制造股份有限公司 章程》（以下简称"《公司章程》"）的有关规定，会议合法有效。 二、董事会会议审议情况 经与会董事认真审议本次会议议案并表决，会议形成了如下决议： 证券代码：001268 证券简称：联合精密 公告编号：2026-006 广东扬山联合精密制造股份有限公司 第三届董事会第十次会议决议公告 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。 具体内容详见公司同日刊登在巨潮资讯网（http://www.cninfo.com.cn）的 《关于公司副总经理辞任及聘任公司副总经理的公告》（公告编 ...

Group 1 - The company announced the resignation of Mr. Zhang Yongjun from the position of Deputy General Manager due to personal reasons, while he will continue to hold other positions within the company [1] - The company's board of directors approved the appointment of Mr. Xu Shengqiang as the new Deputy General Manager following a nomination by the General Manager and review by the board's nomination committee [1] Group 2 - A new video generation model in China, described as "the strongest on the surface," can produce 15-second videos for commercial delivery using just a few prompt words, leading to a surge in stock prices for film-related companies [1]

Core Viewpoint - The company announced the resignation of Deputy General Manager Zhang Yongjun due to personal reasons, effective immediately upon submission of the resignation report [1] Group 1: Management Changes - Zhang Yongjun will continue to hold a position within the company after resigning as Deputy General Manager [1] - Xu Shengqiang has been appointed as the new Deputy General Manager, with a term lasting until the end of the third board's term [1] - Xu Shengqiang does not hold any shares in the company and meets the qualifications for the position [1]

Core Viewpoint - United Precision has acquired a 51% stake in Chengdu Mite Aviation Manufacturing Co., marking a significant investment in the aerospace manufacturing sector [1] Company Overview - Chengdu Mite Aviation Manufacturing Co., established in 2010, specializes in the research and development of electronic materials, new materials technology, mechanical equipment, spring manufacturing, and the production of metal chains and other metal products [1] - The company serves a diverse range of clients across domestic aerospace, electronics, shipping, armaments, and information sectors, positioning itself as a high-tech enterprise that integrates research, production, and testing [1]

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。 广东扬山联合精密制造股份有限公司（以下简称"公司"）于 2025 年 9 月 29 日披露《关于公司控股股东、实际控制人股份减持计划的预披露公告》（公 告编号：2025-040），公司控股股东、实际控制人之一、董事长何桂景以及公司 控股股东、实际控制人之一、副董事长、副总经理何俊桦计划在减持计划公告披 露之日起 15 个交易日后的三个月内（窗口期除外）通过集中竞价或者大宗交易 方式减持公司股份合计不超过 3,207,699 股（不超过公司总股本的 3.00%，已剔 除公司回购专用账户中的股份数量，下同），其中通过集中竞价交易方式减持公 司股份不超过 1,069,233 股，即不超过公司总股本的 1.00%；通过大宗交易方式 减持公司股份不超过 2,138,466 股，即不超过公司总股本的 2.00%。 证券代码：001268 证券简称：联合精密 公告编号：2026-005 广东扬山联合精密制造股份有限公司 关于公司控股股东、实际控制人股份减持计划期限届满 暨实施结果的公告 公司控股股东、实际控制人之一、董事长何桂 ...

Summary of Key Points Core Viewpoint - On January 27, a block trade of 182,300 shares of United Precision was executed at a price of 31.94 yuan, representing a discount of 10.71% compared to the market closing price of 35.77 yuan, with a total transaction value of 5.8227 million yuan, accounting for 9.76% of the total trading volume for that day [1]. Group 1 - The block trade involved 182,300 shares of United Precision [2]. - The transaction price was 31.94 yuan per share, which is lower than the market closing price [1]. - The total transaction amount was 5.8227 million yuan, making up 9.76% of the total trading volume on that day [1].