（原标题：龙虎榜机构新动向：净买入22股 净卖出9股） 12月24日沪指上涨0.53%，盘后龙虎榜数据显示，机构现身31只个股龙虎榜，净买入22只，净卖出9 只。深沪股通席位出现在25只个股龙虎榜。 证券时报•数据宝统计显示，12月24日机构专用席位现身31只个股龙虎榜，合计净买入14.70亿元。为连 续第4日净买入。个股来看，净买入22只，净卖出9只。 机构龙虎榜净买卖个股 机构净卖出的个股中，净卖出金额最多的是章源钨业，该股因日跌幅偏离值达-8.79%上榜龙虎榜，前五 大买卖营业部中有5家机构专用席位，为买四、卖二、卖三、卖四、卖五，合计净卖出16406.99万元。 同时上榜的还有深股通专用席位，净卖出7505.64万元，营业部席位合计净买入7713.54万元。资金流向 方面，该股全天资金净流出1.25亿元。 德力股份，因日振幅值达16.73%上榜龙虎榜，前五大买卖营业部中有5家机构专用席位，为买二、卖 一、卖二、卖三、卖五，合计净卖出4718.73万元。资金流向方面，该股全天资金净流出387.37万元。 楚环科技，因日跌幅偏离值达-11.04%上榜龙虎榜，前五大买卖营业部中有3家机构专用席位，为卖一、 ...

亚太科技 20151223 摘要 亚太科技已实现空调铝管的批量供货，尤其在海外高端市场，铝管应用 广泛。公司正与国内厂商同步研发，并已进入送样阶段，具备设备和技 术储备。 铝管相较铜管具有轻量化和成本优势，亚太科技通过技术突破，提升了 铝管的导热性和耐腐蚀性，使其性能接近甚至达到铜管水平，为"以铝 代铜"提供了可能。 海外市场对全铝换热器的接受度较高（日本 40%-50%，韩国和东南亚 30%-40%，美国 10%-20%），而国内市场仍较低，亚太科技正通过 实验数据和与大型厂商合作，改变市场对铝材质的偏见。 亚太科技计划加强与大型空调厂商的合作，优化材料配方，提高导热系 数，并通过批量生产和送样验证产品质量，积极参与行业协会活动，加 强消费者教育，加速"以铝代铜"的进程。 单台空调用铜量约为 9-10 公斤，若采用亚太科技的铝材，则用量约为 3 公斤，综合成本可降低 70%-80%，经济效益显著。 亚太科技通过创新，将铝材拉伸速度从每分钟 40-80 米提升至 600- 800 米，大幅降低了加工成本，并为空调用铝管进行了大量研发和改进。 亚太科技未来 6 个月内无转股计划，管理层对公司发展充满信心，新项 ...

（文章来源：证券日报） 证券日报网讯 12月24日，翔楼新材在互动平台回答投资者提问时表示，关于定增问询函，公司正抓紧 筹备回复事宜，具体内容请关注公司后续发布的公告。 ...

Core Viewpoint - The company is actively monitoring developments in the aluminum tube air conditioning sector and has successfully met customer demands with its internal threaded aluminum tube products, which are now in small-scale supply [1] Group 1: Product Development - The company is accelerating the construction of a new production line for household air conditioning aluminum tubes based on downstream customer demand [1] - The performance of household internal threaded aluminum tubes is superior to traditional aluminum tubes, making them a better alternative to internal threaded copper tubes [1] - The product has a higher gross margin and significant market potential [1] Group 2: Market Position and Strategy - The company has a solid customer base and technical reserves in the aluminum materials sector [1] - The company is continuously monitoring and following up on market demand in the "aluminum replacing copper" field [1] - Current aluminum products, such as electromagnetic aluminum flat wires and aluminum automotive 3D bent pipes, are in the certification and mass production supply stages [1]

截至2025年12月24日收盘，上大股份（301522）报收于35.81元，较前一交易日上涨5.32%，最新总市值 为133.17亿元。该股当日开盘34.18元，最高36.43元，最低33.5元，成交额达9.19亿元，换手率为9.2%。 公司近日发布公告称，2025年12月22日，中航上大高温合金材料股份有限公司收到某海外航空领域龙头 企业长期供货确认函，对方将在2026年至2030年期间采购公司指定高温合金材料，总金额约1亿元人民 币。确认函自收到之日起生效，交易未达到监管规定的信息披露标准。公司表示，该确认函体现了客户 对公司研发能力、质量控制和生产能力的认可，有助于拓展国际市场，提升品牌影响力，对经营业绩将 产生积极影响。同时提示，因履行周期较长，存在因宏观环境、政策调整、客户需求变化等导致无法如 期履行的风险。 最新公告列表 《关于收到日常经营供货确认函的自愿性信息披露公告》 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 ...

（文章来源：证券日报） 证券日报网讯 12月24日，立中集团在互动平台回答投资者提问时表示，在航空航天领域，公司研发和 生产的铝基稀土中间合金和高端铝基中间合金已应用于民用飞机、商用飞机、飞行器、火箭等部件的铝 合金制造；生产的航空航天级特种中间合金主要应用于航空航天的钛合金和高温合金领域，已成功间接 用于制造飞机发动机排气塞、发动机扇叶、喷嘴构件、起落架、制动盘、紧固件等关键部位和火箭的结 构部件；此外，公司研发的硅铝合金、铝基复合材料、微晶铝合金材料和3D打印铝合金材料等硅铝弥 散复合新材料可用于航空航天电子封装、飞机部件、火箭部件、光学设备等。 ...

人民财讯12月24日电，金田股份（601609）在互动平台表示，公司密切关注铝管空调相关进展，其中空 调内螺纹铝管产品性能已能满足客户需求，并实现小批量供货，公司正加快新建家用空调铝管生产线， 并将根据下游客户需求情况进行供货。目前家用空调内螺纹铝管较传统铝管性能更佳，可更好地替代内 螺纹铜管，产品毛利率较高，市场空间较大。公司在铝材业务领域有较好的客户基础及技术储备，并持 续关注和跟进"铝代铜"领域市场需求，目前公司电磁铝扁线、铝制车用3D折弯排等铝材产品已处于认 证、量产供货阶段。 ...

Core Viewpoint - The company, Lichung Group, has successfully developed and produced aluminum-based rare earth intermediate alloys and high-end aluminum-based intermediate alloys for applications in the aerospace sector, including components for civil and commercial aircraft, spacecraft, and rockets [1] Group 1: Aerospace Applications - The aluminum-based alloys produced by the company are utilized in the manufacturing of critical components such as aircraft engine exhaust plugs, fan blades, nozzle components, landing gear, brake discs, and fasteners [1] - The aerospace-grade special intermediate alloys are primarily applied in the fields of titanium alloys and high-temperature alloys [1] Group 2: New Material Development - The company has also developed new composite materials, including silicon-aluminum alloys, aluminum-based composite materials, microcrystalline aluminum alloys, and 3D printed aluminum alloys [1] - These new materials can be used in aerospace electronic packaging, aircraft components, rocket components, and optical devices [1]

Core Viewpoint - Longxi Co., Ltd. has shown significant stock price performance, with a year-to-date increase of 150.33%, despite recent fluctuations in trading volume and net inflow of funds [1][2]. Group 1: Stock Performance - As of December 24, Longxi's stock price increased by 2.01% to 24.37 CNY per share, with a trading volume of 3.78 billion CNY and a turnover rate of 3.94%, resulting in a total market capitalization of 9.737 billion CNY [1]. - The stock has experienced a 1.67% increase over the last five trading days, a 5.54% decrease over the last 20 days, and a 13.69% decrease over the last 60 days [1]. - Longxi has appeared on the "龙虎榜" (a stock trading leaderboard) eight times this year, with the most recent appearance on December 5, where it recorded a net buy of -124 million CNY [1]. Group 2: Company Overview - Longxi Co., Ltd. was established on December 24, 1997, and went public on August 5, 2002. The company specializes in the research, production, and sales of various types of bearings and gearboxes [2]. - The revenue composition of Longxi includes 62.11% from bearing products, 32.42% from metal material trading, 2.82% from gearboxes, and other segments contributing smaller percentages [2]. - As of September 30, the number of shareholders increased by 28.51% to 74,500, while the average circulating shares per person decreased by 22.18% to 5,363 shares [2]. Group 3: Financial Performance - For the period from January to September 2025, Longxi reported a revenue of 1.067 billion CNY, reflecting a year-on-year decrease of 22.23%, and a net profit attributable to shareholders of 117 million CNY, down 29.38% year-on-year [2]. - The company has distributed a total of 876 million CNY in dividends since its A-share listing, with 109 million CNY distributed over the last three years [3]. Group 4: Shareholder Structure - As of September 30, 2025, the third-largest circulating shareholder is Yongying Advanced Manufacturing Mixed Fund, holding 5.4627 million shares, a decrease of 12.3516 million shares from the previous period [3]. - New shareholders include Hong Kong Central Clearing Limited, holding 2.2686 million shares, and Dongfang Alpha Preferred Mixed Fund, holding 1.0467 million shares [3].

Group 1 - The core business of Haigang Co., Ltd. involves the research, production, and sales of large and medium-sized specialized forged components, with applications in oil and gas extraction, wind power generation, mechanical equipment, shipping, and nuclear power [2] - As of September 30, Haigang Co., Ltd. reported a revenue of 1.458 billion yuan, representing a year-on-year growth of 44.57%, and a net profit attributable to shareholders of 49.0934 million yuan, reflecting a year-on-year increase of 113.20% [2] - The company's main revenue sources are wind power equipment forgings (41.85%), oil and gas equipment forgings (34.37%), other (18.51%), and mechanical equipment forgings (5.27%) [2] Group 2 - On December 23, Haigang Co., Ltd. saw a stock price increase of 1.27% with a trading volume of 65.7028 million yuan [1] - The financing buy-in amount on December 23 was 6.991 million yuan, with a net financing buy of 2.1291 million yuan, while the total financing and securities balance reached 102 million yuan [1] - The company's financing balance of 102 million yuan accounts for 3.95% of its circulating market value, which is below the 40th percentile level over the past year, indicating a relatively low position [1]