来源：新浪证券-红岸工作室 资金分析 12月16日，美埃科技涨0.31%，成交额1.27亿元，换手率1.79%，总市值70.98亿元。 异动分析 光刻机+中芯国际概念+PM2.5+芯片概念 1、公司上市保荐书：公司为上海微电子装备（集团）股份有限公司开发国内首台 28 纳米光刻设备工艺 制程所需的机台内国际最高洁净等级标准（ISO Class 1 级）洁净环境提供 EFU （超薄型设备端自带风 机过滤机组）及 ULPA（超高效过滤器）等产品，亦已验收合格，助力国内光刻机事业突破卡脖子技术 难题。此外，在海外市场，公司系Intel、 ST Microelectronics 等国际半导体厂商的合格供应商，为其提 供空气净化产品。公司在前述产品核心技术指标、客户信赖度等方面，可与国际品牌平行竞争，处于国 内品牌领先的地位。 2、据招股说明书：公司长期为中芯国际供应 FFU、高效/超高效过滤器、化学过滤器等产品，用于保障 中芯国际系的历代产品线（包括中芯国际最先进的 14nm和 28nm 制程）对空气洁净度的要求。 3、2023年10月24日互动易回复：公司的空气净化设备可高效去除PM2.5及细菌微生物、高效分解甲 ...

来源：新浪证券-红岸工作室 12月12日，美埃科技涨10.91%，成交额2.25亿元，换手率3.22%，总市值72.44亿元。 异动分析 光刻机+中芯国际概念+芯片概念+PM2.5 主力持仓 主力轻度控盘，筹码分布较为分散，主力成交额3170.85万，占总成交额的11.82%。 技术面：筹码平均交易成本为47.77元 1、公司上市保荐书：公司为上海微电子装备（集团）股份有限公司开发国内首台 28 纳米光刻设备工艺 制程所需的机台内国际最高洁净等级标准（ISO Class 1 级）洁净环境提供 EFU （超薄型设备端自带风 机过滤机组）及 ULPA（超高效过滤器）等产品，亦已验收合格，助力国内光刻机事业突破卡脖子技术 难题。此外，在海外市场，公司系Intel、 ST Microelectronics 等国际半导体厂商的合格供应商，为其提 供空气净化产品。公司在前述产品核心技术指标、客户信赖度等方面，可与国际品牌平行竞争，处于国 内品牌领先的地位。 2、据招股说明书：公司长期为中芯国际供应 FFU、高效/超高效过滤器、化学过滤器等产品，用于保障 中芯国际系的历代产品线（包括中芯国际最先进的 14nm和 28nm ...

来源：新浪证券-红岸工作室 12月11日，美埃科技涨2.20%，成交额8793.79万元，换手率1.35%，总市值65.31亿元。 异动分析 光刻机+中芯国际概念+芯片概念+PM2.5 1、公司上市保荐书：公司为上海微电子装备（集团）股份有限公司开发国内首台 28 纳米光刻设备工艺 制程所需的机台内国际最高洁净等级标准（ISO Class 1 级）洁净环境提供 EFU （超薄型设备端自带风 机过滤机组）及 ULPA（超高效过滤器）等产品，亦已验收合格，助力国内光刻机事业突破卡脖子技术 难题。此外，在海外市场，公司系Intel、 ST Microelectronics 等国际半导体厂商的合格供应商，为其提 供空气净化产品。公司在前述产品核心技术指标、客户信赖度等方面，可与国际品牌平行竞争，处于国 内品牌领先的地位。 2、据招股说明书：公司长期为中芯国际供应 FFU、高效/超高效过滤器、化学过滤器等产品，用于保障 中芯国际系的历代产品线（包括中芯国际最先进的 14nm和 28nm 制程）对空气洁净度的要求。 3、美埃(中国)环境科技股份有限公司主营业务系空气净化产品、大气环境治理产品的研发、生产及销 售。公司主要 ...

3、美埃(中国)环境科技股份有限公司主营业务系空气净化产品、大气环境治理产品的研发、生产及销 售。公司主要产品是风机过滤单元、过滤器产品、空气净化设备。2021年底，公司获国家级专精特 新"小巨人"称号，成为国内电子半导体洁净室设备龙头企业。 来源：新浪证券-红岸工作室 12月4日，美埃科技跌1.05%，成交额5615.34万元，换手率0.90%，总市值62.49亿元。 异动分析 光刻机+中芯国际概念+芯片概念+PM2.5 1、公司上市保荐书：公司为上海微电子装备（集团）股份有限公司开发国内首台 28 纳米光刻设备工艺 制程所需的机台内国际最高洁净等级标准（ISO Class 1 级）洁净环境提供 EFU （超薄型设备端自带风 机过滤机组）及 ULPA（超高效过滤器）等产品，亦已验收合格，助力国内光刻机事业突破卡脖子技术 难题。此外，在海外市场，公司系Intel、 ST Microelectronics 等国际半导体厂商的合格供应商，为其提 供空气净化产品。公司在前述产品核心技术指标、客户信赖度等方面，可与国际品牌平行竞争，处于国 内品牌领先的地位。 2、据招股说明书：公司长期为中芯国际供应 FFU、高效/超 ...

Core Viewpoint - Leek Electric's stock has shown a significant increase in price and trading activity, reflecting investor interest despite a decline in net profit year-over-year [1][2]. Financial Performance - For the period from January to September 2025, Leek Electric achieved a revenue of 7.313 billion yuan, representing a year-on-year growth of 0.92%. However, the net profit attributable to shareholders was 621 million yuan, which is a decrease of 29.32% compared to the previous year [2]. - Cumulative cash dividends since the company's A-share listing amount to 4.153 billion yuan, with 1.434 billion yuan distributed over the past three years [3]. Stock Market Activity - On November 25, Leek Electric's stock price rose by 2.03%, reaching 29.22 yuan per share, with a total market capitalization of 16.755 billion yuan [1]. - The stock has increased by 29.01% year-to-date, with a 1.46% rise over the last five trading days, 8.38% over the last 20 days, and 19.85% over the last 60 days [1]. Shareholder Information - As of September 30, 2025, the number of shareholders for Leek Electric was 15,600, an increase of 0.99% from the previous period. The average number of circulating shares per person decreased by 0.59% to 36,709 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited held 2.6385 million shares, a decrease of 4.0845 million shares from the previous period [3]. Business Overview - Leek Electric, established on December 26, 2001, and listed on May 13, 2015, is based in Suzhou, Jiangsu Province. The company specializes in high-end health-related small household appliances and garden tools, with a revenue composition of 58.15% from cleaning health appliances and garden tools, and 39.91% from motors and precision components for new energy vehicles [1]. - The company operates within the household appliances sector, specifically in small appliances and cleaning devices, and is associated with concepts such as household appliances, margin financing, PM2.5, mid-cap stocks, and new energy vehicles [1].

Core Viewpoint - Zhongcai Technology's stock has experienced a significant increase of 149.55% year-to-date, despite a recent decline in share price and trading volume [1][2]. Group 1: Stock Performance - On November 19, Zhongcai Technology's stock price fell by 2.05%, reaching 32.08 CNY per share, with a trading volume of 1.06 billion CNY and a turnover rate of 0.20% [1]. - The company has seen a net inflow of 400,000 CNY from main funds, with large orders accounting for 13.13% of total buy orders and 14.09% of total sell orders [1]. - Year-to-date, the stock has been on the龙虎榜 (top trading list) four times, with the most recent instance on August 29, where it recorded a net buy of -206 million CNY [1]. Group 2: Company Overview - Zhongcai Technology, established on December 28, 2001, and listed on November 20, 2006, focuses on wind turbine blades, fiberglass products, and lithium battery separators [2]. - The company's revenue composition includes wind turbine blades (39.01%), fiberglass products (28.05%), and lithium battery separators (6.96%) among others [2]. - As of September 30, 2025, Zhongcai Technology reported a revenue of 21.701 billion CNY, a year-on-year increase of 29.09%, and a net profit of 1.48 billion CNY, reflecting a growth of 143.24% [2]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders decreased by 2.56% to 63,000, with an average of 26,621 circulating shares per person, an increase of 2.63% [2]. - The second-largest circulating shareholder is Hong Kong Central Clearing Limited, holding 89.8486 million shares, an increase of 7.3926 million shares from the previous period [3]. - New entrants among the top ten circulating shareholders include several ETFs and mutual funds, indicating a shift in institutional holdings [3].

Core Viewpoint - The company Meai Technology (美埃科技) is experiencing fluctuations in stock performance, with a recent decline of 1.84% and a total market capitalization of 6.385 billion yuan, while also being recognized as a leader in the domestic semiconductor cleanroom equipment sector [1][3]. Company Overview - Meai Technology specializes in the research, production, and sales of air purification products and atmospheric environmental governance products, with a primary revenue source from cleanroom air filtration and clean wall systems, accounting for 90.18% of total revenue [3][7]. - The company was awarded the national-level "specialized, refined, distinctive, and innovative" title at the end of 2021, solidifying its position as a leading domestic enterprise in the semiconductor cleanroom equipment market [3][7]. Financial Performance - For the period from January to September 2025, Meai Technology reported a revenue of 1.486 billion yuan, representing a year-on-year growth of 23.64%, while the net profit attributable to shareholders decreased by 5.17% to 141 million yuan [7][8]. - The company has distributed a total of 80.64 million yuan in dividends since its A-share listing [9]. Market Position and Supply Chain - Meai Technology has developed the first domestic 28nm lithography equipment and provides essential air purification products to major international semiconductor manufacturers such as Intel and ST Microelectronics, indicating its competitive standing in both domestic and international markets [2][3]. - The company has a long-term supply relationship with SMIC (中芯国际), providing various air filtration products necessary for maintaining the required air cleanliness standards for advanced semiconductor manufacturing processes [2][3]. Stock and Trading Analysis - The stock has seen a net inflow of 2.71 million yuan today, with a trading volume of 145 million yuan and a turnover rate of 5.84%, indicating a relatively low level of trading activity [1][4]. - The average trading cost of the stock is 48.37 yuan, with the current price approaching a support level of 47.50 yuan, suggesting potential volatility in the near term [6].

Core Viewpoint - Leek Electric's stock has shown significant growth in 2023, with a year-to-date increase of 27.59% and a recent surge of 32.08% over the past 20 trading days, indicating strong market performance and investor interest [1][2]. Financial Performance - For the period from January to September 2025, Leek Electric reported a revenue of 7.313 billion yuan, reflecting a year-on-year growth of 0.92%. However, the net profit attributable to shareholders decreased by 29.32% to 621 million yuan [2]. - Cumulative cash dividends since the company's A-share listing amount to 4.153 billion yuan, with 1.434 billion yuan distributed over the past three years [3]. Shareholder Information - As of September 30, 2025, the number of shareholders for Leek Electric reached 15,600, an increase of 0.99% from the previous period. The average number of circulating shares per shareholder decreased by 0.59% to 36,709 shares [2]. - Among the top ten circulating shareholders, Hong Kong Central Clearing Limited is the seventh largest, holding 2.6385 million shares, which is a decrease of 4.0845 million shares compared to the previous period [3]. Market Activity - On November 17, Leek Electric's stock price rose by 2.01% to 28.90 yuan per share, with a trading volume of 97.9135 million yuan and a turnover rate of 0.60%. The total market capitalization stands at 16.571 billion yuan [1]. - The net outflow of main funds was 2.9553 million yuan, with large orders accounting for 23.64% of purchases and 24.10% of sales [1]. Business Overview - Leek Electric, established on December 26, 2001, and listed on May 13, 2015, is based in Suzhou, Jiangsu Province. The company specializes in high-end health-related small household appliances and garden tools, with a revenue composition of 58.15% from cleaning health appliances and garden tools, and 39.91% from motors and precision components for new energy vehicles [1]. - The company operates within the household appliances sector, specifically in small appliances and cleaning devices, and is associated with concepts such as household appliances, margin financing, PM2.5, and new energy vehicles [1].

11月17日，金海高科盘中下跌2.06%，截至13:14，报12.83元/股，成交2328.14万元，换手率0.76%，总 市值30.26亿元。 机构持仓方面，截止2025年9月30日，金海高科十大流通股东中，大成中证360互联网+指数A （002236）位居第五大流通股东，持股150.07万股，相比上期增加11.77万股。诺安多策略混合A （320016）位居第六大流通股东，持股142.53万股，为新进股东。 金海高科所属申万行业为：家用电器-家电零部件Ⅱ-家电零部件Ⅲ。所属概念板块包括：小盘、QFII持 股、节能环保、家用电器、PM2.5等。 截至9月30日，金海高科股东户数1.47万，较上期减少5.68%；人均流通股15997股，较上期增加6.02%。 2025年1月-9月，金海高科实现营业收入6.69亿元，同比增长10.49%；归母净利润7656.26万元，同比增 长50.49%。 分红方面，金海高科A股上市后累计派现2.79亿元。近三年，累计派现7548.29万元。 资金流向方面，主力资金净流出273.90万元，大单买入206.82万元，占比8.88%，卖出480.72万元，占比 20.65%。 金 ...

Core Viewpoint - Anke Detection's stock price has shown significant volatility, with a year-to-date increase of 58.44% but a recent decline of 20.01% over the last five trading days, indicating potential market fluctuations and investor sentiment changes [1][2]. Financial Performance - For the period from January to September 2025, Anke Detection reported a revenue of 326 million yuan, a slight decrease of 0.17% year-on-year [2]. - The company experienced a net loss attributable to shareholders of 21.19 million yuan, which represents a year-on-year increase in loss of 19.52% [2]. Shareholder Information - As of September 30, the number of shareholders for Anke Detection reached 16,400, marking an increase of 33.69% compared to the previous period [2]. - The average number of tradable shares per shareholder decreased by 25.20% to 11,181 shares [2]. Stock Market Activity - On November 12, Anke Detection's stock price rose by 2.03%, reaching 28.63 yuan per share, with a trading volume of 243 million yuan and a turnover rate of 4.71% [1]. - The company had a total market capitalization of 6.556 billion yuan [1]. Business Overview - Anke Detection, established on August 6, 2006, and listed on December 6, 2016, specializes in providing comprehensive solutions for the vehicle inspection sector [1]. - The revenue composition of the company includes: 56.40% from vehicle inspection systems, 37.16% from inspection operation services, 3.61% from value-added inspection services, 1.31% from regulatory systems, and smaller contributions from other services [1]. Dividend Information - Since its A-share listing, Anke Detection has distributed a total of 118 million yuan in dividends, with 4.532 million yuan distributed over the past three years [3].