Core Viewpoint - The Guizhou Institute of Aluminum-Magnesium Design and Research has successfully industrialized a new type of roasting furnace, addressing the gap in high-end carbon roasting equipment in China [1] Group 1: Technology Development - The traditional rotary roasting furnaces used in China's carbon industry suffer from uneven temperature, high energy consumption, and significant pollution, while advanced technologies have relied on imports [1] - The research team focused on three main directions: precise temperature control, intelligence, and green low-carbon technology, creating a complete technical system covering processes, equipment, and control systems [1] Group 2: Technical Breakthroughs - The new technology achieved three major breakthroughs: - In process, it established a physical field model operation system for integrated linkage from loading to unloading, and applied efficient asphalt fume incineration and deep heat recovery technology [1] - In equipment, it optimized the furnace structure and materials, significantly reducing energy consumption and extending component lifespan [1] - In control, it features a self-developed intelligent combustion control platform for remote monitoring and intelligent adjustment, greatly enhancing automation levels [1] Group 3: Economic Impact - The new roasting equipment has been deployed in regions such as Liaoning and Inner Mongolia, generating direct economic benefits of 162 million yuan, saving 517,000 tons of standard coal annually, and reducing carbon dioxide emissions by 1.89 million tons [1] - This development provides crucial equipment support for the green and intelligent transformation of China's carbon industry [1]

Core Viewpoint - The professional engineering sector experienced a slight decline of 0.38% on November 26, with Yongfu Co., Ltd. leading the losses. The Shanghai Composite Index closed at 3864.18, down 0.15%, while the Shenzhen Component Index rose by 1.02% to 12907.83 [1][2]. Group 1: Market Performance - The professional engineering sector's stocks showed mixed performance, with notable gainers including Tianwo Technology, which rose by 2.70% to a closing price of 9.12, and Beifang International, which increased by 2.68% to 13.04 [1]. - Yongfu Co., Ltd. saw the largest decline, dropping 4.56% to a closing price of 27.39, with a trading volume of 67,200 shares and a transaction value of 187 million [2]. Group 2: Trading Volume and Value - The trading volume for Tianwo Technology was 346,900 shares, resulting in a transaction value of 315 million [1]. - Beifang International had a trading volume of 970,700 shares, leading to a transaction value of 1.282 billion [1]. Group 3: Capital Flow - The professional engineering sector experienced a net outflow of 220 million from main funds, while retail investors contributed a net inflow of 207 million [2][3]. - Among individual stocks, Zhonggang International had a main fund net inflow of 65.28 million, while Tianwo Technology saw a net outflow of 26.25 million from speculative funds [3].

Core Viewpoint - The company, China Aluminum International Engineering Corporation, has a high rolling price-to-earnings (PE) ratio of 176.58, significantly above the industry average of 25.61, indicating potential overvaluation in the market [1][2]. Company Summary - As of November 24, the company's stock closed at 5.25 yuan, with a 1.74% increase, and a total market capitalization of 15.686 billion yuan [1]. - The company specializes in design consulting, EPC engineering contracting, construction, and equipment manufacturing [1]. - The latest financial report for Q3 2025 shows a revenue of 15.219 billion yuan, a year-on-year decrease of 5.72%, and a net profit of 119 million yuan, down 52.68% year-on-year, with a gross profit margin of 11.29% [1]. Shareholder Information - As of August 31, 2018, the number of shareholders reached 245,413, with an average holding value of 352,800 yuan and an average shareholding of 27,600 shares [1]. Industry Summary - The average PE ratio for the engineering construction industry is 25.61, with a median of 21.08, positioning China Aluminum International at the 64th rank within the industry [1][2].

11月21日，中铝国际跌5.14%，截至发稿，报5.17元/股，成交9124.59万元，换手率0.68%，总市值 154.47亿元。 资料显示，中铝国际工程股份有限公司位于北京市海淀区杏石口路99号C座，成立日期2003年12月16 日，上市日期2018年8月31日，公司主营业务涉及工程设计及咨询、工程及施工承包、装备制造及贸易 业务。主营业务收入构成为：EPC工程总承包及施工75.78%，装备制造18.03%，设计咨询6.19%。 从中铝国际十大流通股东角度 南方中证1000ETF（512100）成立日期2016年9月29日，最新规模766.3亿。今年以来收益24.71%，同类 排名1906/4208；近一年收益18.97%，同类排名2143/3972；成立以来收益10.36%。 南方中证1000ETF（512100）基金经理为崔蕾。 截至发稿，崔蕾累计任职时间7年16天，现任基金资产总规模1227.6亿元，任职期间最佳基金回报 180.57%， 任职期间最差基金回报-15.93%。 风险提示：市场有风险，投资需谨慎。本文为AI大模型自动发布，任何在本文出现的信息（包括但不 限于个股、评论、预测、图表、指标 ...

科技日报记者 夏天一 通讯员 甘欣鑫 记者近日从中铝国际昆明有色冶金设计研究院（以下简称"昆明院"）获悉，由该院牵头完成的"刚果 （金）低品位复杂铜钴伴生矿绿色高效冶炼关键技术及应用"项目通过中国有色金属工业协会组织的科 技成果评价，整体技术达到国际领先水平，标志着我国在复杂矿产资源绿色冶炼领域取得重要突破。 昆明院副总经理张春生介绍，低品位、高复杂性氧化铜钴矿的高效利用一直是行业难题。项目团队创新 研发并集成了"原矿吸酸—强化还原浸出—多段逆流浸出—高效萃取—节能电积—智能检测—多金属回 收"全流程关键技术及专用装备体系，成功攻克了有价元素综合回收率低、能耗高、环境友好性差等瓶 颈，实现了铜、钴等战略金属的绿色高效提取。 据悉，目前该技术已在刚果（金）成功实现产业化应用，建成年产4万吨及2.5万吨阴极铜的生产线各一 条，并实现长期稳定运行。项目累计创造经济效益数亿元，展现出优越的技术适应性和推广前景。 ...

Core Viewpoint - The research institute has developed key technologies for the efficient extraction of strategic rare metals from complex zinc-based materials, addressing industry challenges related to low recovery rates, lengthy processes, and high costs [1] Group 1: Technology Development - The newly developed technologies include indium directional leaching-direct extraction, germanium material maturation leaching-hydrochloric acid regeneration, and gallium-germanium synergistic extraction-cyclone electrolysis [1] - These innovations enable the efficient and clean extraction of rare metals such as indium, germanium, and gallium [1] Group 2: Industry Impact - The technologies have been successfully applied in several enterprises, including Southern Nonferrous Metals Group, Yusheng Germanium Industry, and Danxia Smelting Plant, significantly improving the recovery rates of indium, germanium, and gallium [1] - The advancements contribute to resource recycling and enhance the value of the industrial chain [1] Group 3: Future Directions - The research team plans to continue strengthening core technology development to promote the transformation and upgrading of the nonferrous metal industry towards higher value and greener practices [1]

Core Insights - The professional engineering sector saw an increase of 0.99% on November 13, with Sanwei Chemical leading the gains [1] - The Shanghai Composite Index closed at 4029.5, up 0.73%, while the Shenzhen Component Index closed at 13476.52, up 1.78% [1] Summary of Key Points Performance of Leading Stocks - Sanwei Chemical (002469) closed at 9.26, up 6.81%, with a trading volume of 635,000 shares and a transaction value of 587 million yuan [1] - Aiman Co. (605289) closed at 69.93, up 6.16%, with a trading volume of 46,200 shares and a transaction value of 318 million yuan [1] - Yongfu Co. (300712) closed at 31.58, up 4.29%, with a trading volume of 152,900 shares and a transaction value of 477 million yuan [1] - Donghua Technology (002140) closed at 12.97, up 3.93%, with a trading volume of 305,000 shares and a transaction value of 395 million yuan [1] - Baili Technology (6568209) closed at 7.50, up 3.02%, with a trading volume of 274,900 shares and a transaction value of 205 million yuan [1] Performance of Declining Stocks - Nenghui Technology (301046) closed at 29.01, down 3.04%, with a trading volume of 62,400 shares and a transaction value of 183 million yuan [2] - China Haicheng (002116) closed at 11.48, down 2.63%, with a trading volume of 621,400 shares and a transaction value of 705 million yuan [2] - Jinggong Steel Structure (600496) closed at 4.45, down 1.33%, with a trading volume of 567,700 shares and a transaction value of 252 million yuan [2] Capital Flow Analysis - The professional engineering sector experienced a net outflow of 418 million yuan from main funds, while retail funds saw a net inflow of 128 million yuan [2]

Core Viewpoint - The aluminum electrolysis industry has made significant advancements with the development of intelligent shelling and material control technology, addressing the long-standing "jamming" issue that has plagued the sector globally [1][2]. Group 1: Technology Development - The research team led by the Guiyang Aluminum-Magnesium Design and Research Institute has developed a comprehensive technology route combining mechanism research, intelligent identification, automatic processing, and dynamic early warning [1]. - The non-contact jamming identification technology achieves an accuracy rate of over 95% by analyzing the "air pressure fingerprint" during the shelling process [1]. - The team has also created a frequency conversion shelling control model and intelligent linkage strategy to dynamically adjust the action intensity and feeding rhythm based on working conditions [1]. Group 2: Efficiency and Economic Impact - The new system can improve current efficiency in aluminum electrolysis production by 0.3% and reduce direct current consumption by 30 to 50 kilowatt-hours per ton of aluminum [2]. - Maintenance costs for the equipment have decreased by nearly 30% [2]. - In a specific application at Inner Mongolia Huayun New Materials Co., a single electrolysis cell saves over 50,000 kilowatt-hours annually, contributing to an estimated annual energy savings of approximately 400 million kilowatt-hours across applications, equivalent to a reduction of 236,400 tons of CO2 emissions [2]. - The technology is projected to generate direct economic benefits exceeding 370 million yuan for the applying enterprises [2].

Market Overview - The professional engineering sector increased by 0.56% on November 10, with Huadian Technology leading the gains [1] - The Shanghai Composite Index closed at 4018.6, up 0.53%, while the Shenzhen Component Index closed at 13427.61, up 0.18% [1] Top Gainers - Huadian Technology (601226) closed at 8.49, up 9.97% with a trading volume of 393,200 shares and a turnover of 333 million yuan [1] - Chalco International (601068) closed at 5.66, up 3.66% with a trading volume of 390,800 shares and a turnover of 220 million yuan [1] - Honglu Steel Structure (002541) closed at 18.14, up 3.66% with a trading volume of 96,100 shares and a turnover of 172 million yuan [1] Top Losers - Shikong Technology (605178) closed at 74.20, down 7.24% with a trading volume of 243,700 shares and a turnover of 1.867 billion yuan [2] - Shenghui Integration (603163) closed at 44.24, down 6.39% with a trading volume of 37,500 shares and a turnover of 16.8 million yuan [2] - Tianwo Technology (002564) closed at 8.86, down 3.06% with a trading volume of 262,600 shares and a turnover of 23.3 million yuan [2] Fund Flow Analysis - The professional engineering sector experienced a net outflow of 112 million yuan from institutional investors, while retail investors saw a net inflow of 48.3 million yuan [2] - Huadian Technology had a net outflow of 56.939 million yuan from institutional investors, while it saw a net inflow of 6.366 million yuan from retail investors [3] - Deep Sanda A (000032) had a net inflow of 53.667 million yuan from institutional investors, but a net outflow of 56.397 million yuan from retail investors [3]

Core Insights - The article discusses the recent developments and strategic moves of Chinalco, highlighting its position in the aluminum industry and potential growth opportunities [1] Group 1: Company Overview - Chinalco is a leading player in the aluminum sector, focusing on expanding its production capacity and enhancing operational efficiency [1] - The company has been actively pursuing partnerships and investments to strengthen its market position and leverage technological advancements [1] Group 2: Industry Context - The aluminum industry is experiencing fluctuations in demand and pricing, influenced by global economic conditions and trade policies [1] - Chinalco's strategies are aligned with industry trends, aiming to capitalize on the increasing demand for aluminum in various sectors, including automotive and construction [1]