证券研究报告|行业研究周报 [Table_Date] 2026 年 3 月 29 日 [Table_Title] 中东电解铝供应确定性收缩，关注左侧布局价值 [Table_Title2] 有色-基本金属行业周报 [Table_Summary] 报告摘要: ►贵金属：美伊冲突持续，贵金属定价向通胀与利率 博弈切换 本周 COMEX 黄金下跌 0.05%至 4,489.70 美元/盎司， COMEX 白银上涨 2.89%至 69.77 美元/盎司。SHFE 黄金下跌 3.90%至 998.66 元/克，SHFE 白银下跌 0.77%至 17,489.00 元/ 千克。 本周金银比下跌 2.86%至 64.35。本周 SPDR 黄金 ETF 持 仓减少 137,805.42 金衡盎 司，SLV 白银 ETF 持仓 增加 5,162,058.80 盎司。 周一，美国 1 月营建支出月率 -0.3%，预期 0.10%，前值 由 0.30%修正为 0.8%。 周二，美国 3 月标普全球制造业 PMI 初值 52.4，预期 51.3，前值 51.6。美国 3 月标普全球服务业 PMI 初值 51.1，预 期 51.5，前值 ...

►贵金属：美伊冲突持续，贵金属定价向通胀与利率 博弈切换 本周 COMEX 黄金下跌 0.05%至 4,489.70 美元/盎司， COMEX 白银上涨 2.89%至 69.77 美元/盎司。SHFE 黄金下跌 3.90%至 998.66 元/克，SHFE 白银下跌 0.77%至 17,489.00 元/ 千克。 本周金银比下跌 2.86%至 64.35。本周 SPDR 黄金 ETF 持 仓减少 137,805.42 金衡盎 司，SLV 白银 ETF 持仓 增加 5,162,058.80 盎司。 证券研究报告|行业研究周报 周一，美国 1 月营建支出月率 -0.3%，预期 0.10%，前值 由 0.30%修正为 0.8%。 [Table_Date] 2026 年 3 月 29 日 周二，美国 3 月标普全球制造业 PMI 初值 52.4，预期 51.3，前值 51.6。美国 3 月标普全球服务业 PMI 初值 51.1，预 期 51.5，前值 51.7。美国 3 月里奇蒙德联储制造业指数 0，前 值-10。 [Table_Title] 中东电解铝供应确定性收缩，关注左侧布局价值 [Table_Title2] ...

Group 1 - XianDao Intelligent is a key player in high-end intelligent equipment, focusing on precision manufacturing and automation solutions, particularly in the PCB industry [1] - The company provides high-precision cutting, forming, and testing automation equipment for the PCB industry, enhancing production efficiency and yield for high-end products [1] - With the acceleration of AI server and data center construction, the demand for high-end processing equipment in the PCB industry continues to rise [1] Group 2 - Fangzheng Technology has a state-owned background and long-term industry accumulation in the electronic information field, focusing on the R&D, production, and sales of printed circuit boards (PCBs) [2] - The company is upgrading its PCB production lines, emphasizing high-layer and high-frequency boards to meet the demands of 5G communication and industrial internet [2] - Fangzheng Technology maintains a stable market position in the communication and industrial control PCB sectors, providing reliable PCB supply to downstream equipment manufacturers [2] Group 3 - Helitai is a privately held company with a complete layout in electronic components and display modules, focusing on FPC flexible circuit boards and rigid PCBs [3] - The company invests in automotive PCBs and flexible boards, enhancing performance to meet the increasing electronic penetration in new energy vehicles [3] - Helitai leverages its vertically integrated supply chain to optimize cost control and product yield, aligning with the trends of lightweight and high-reliability terminal devices [3] Group 4 - Nord shares focus on copper-based new materials and is a significant player in the domestic copper foil industry, with high-precision electrolytic copper foil as a core product [4] - The company is investing in high-end PCB copper foil R&D and production, optimizing thickness uniformity and surface roughness to meet market demands [4] - Nord shares are deeply integrated with the PCB upstream supply chain, supporting material upgrades in the industry [4] Group 5 - Beifang Copper Industry, controlled by local state assets, has integrated resource and processing advantages, focusing on cathode copper, copper rods, and copper foil [5] - The company is enhancing copper material purity and processing precision, developing ultra-thin PCB copper foil to meet stringent requirements for HDI and high-layer boards [5] - Beifang Copper Industry provides stable, high-quality basic material supply to the PCB industry, supporting the domestic material supply chain [5] Group 6 - Tongling Nonferrous Metals is a leading copper smelting and processing enterprise in China, with a complete industry chain from mining to processing [6] - The company focuses on PCB copper foil, which is crucial for the production of printed circuit boards, and is increasing its investment in high-end copper foil products [6] - Tongling Nonferrous Metals is also developing recycled copper business to promote green manufacturing in line with the PCB industry's low-carbon development trend [7] Group 7 - Huagong Technology, with strong technical research and development capabilities, provides laser processing equipment and high-end manufacturing solutions for the PCB industry [8] - The company’s products meet the high-precision processing needs of communication, server, and automotive electronics PCBs, benefiting from the expansion of the PCB industry driven by AI computing power [8][9] - Huagong Technology is positioned favorably in the domestic PCB equipment market, contributing to the industry's manufacturing level and production efficiency [8] Group 8 - Shenghong Technology specializes in high-end PCB products, including HDI and high-frequency boards, serving major clients in various sectors [9] - The company maintains high production efficiency and product stability, with a strong order backlog driven by the demand for AI servers [9] - Shenghong Technology is advancing its automotive PCB certification and production expansion, solidifying its position in the domestic PCB market [9] Group 9 - Deep Kangjia A is a state-owned enterprise with a diversified technology platform, focusing on high-end PCB products for communication and industrial control applications [10] - The company leverages group resources to optimize its PCB business structure and enhance collaboration with key downstream clients [10] - Deep Kangjia A is positioned to benefit from the recovery of consumer electronics and the advancement of computing infrastructure, maintaining stable growth in the PCB sector [10] Group 10 - Guanjie Technology is a leading global player in the display field, extending its business into PCB and electronic components [11] - The company’s PCB products align with trends towards lightweight and high integration, supporting the growing demand in smart displays and automotive applications [11] - Guanjie Technology optimizes its PCB business quality through vertical integration, enhancing its competitive position in the electronic components market [11] Group 11 - Tiantong Co., Ltd. specializes in soft magnetic materials and high-end equipment, providing precision processing and testing equipment for the PCB industry [12] - The company’s products enhance circuit stability and anti-interference capabilities, supporting the production of high-end PCBs [12] - Tiantong Co., Ltd. benefits from its dual focus on materials and equipment, providing essential support to the PCB industry [12] Group 12 - Huhua Electric is a leading enterprise in the PCB industry, focusing on high-reliability PCB products for communication and automotive applications [13] - The company has a strong technical foundation in high-frequency and high-speed PCB fields, supplying major global communication and automotive clients [13] - Huhua Electric is positioned to expand its high-end order volume and production capacity, maintaining a leading position in the global PCB market [13][14] Group 13 - Xingsen Technology is a leader in PCB samples and small batch production, serving a wide range of R&D clients across various sectors [15] - The company’s rapid delivery capabilities and flexible production model are industry-leading, making it a crucial supply chain partner during product development stages [15] - Xingsen Technology is expanding its high-end PCB production capacity, tapping into the server and automotive electronics markets [15] Group 14 - Dongshan Precision is a significant player in precision manufacturing, leading in FPC and PCB sectors [16] - The company’s FPC products are widely used in smart terminals and automotive applications, driving its core growth [16] - Dongshan Precision is optimizing its product structure to maintain strong competitiveness in the flexible circuit board and automotive PCB markets [16] Group 15 - Liyuan Information is a leading distributor of electronic components, connecting upstream manufacturers with downstream electronic manufacturers [17] - The company provides a comprehensive supply chain and technical support for PCB manufacturers, playing a critical role in the industry [17] - Liyuan Information is enhancing its collaboration with the PCB supply chain, improving supply chain efficiency and cost control [17] Group 16 - China Jushi is a global leader in the fiberglass industry, with a focus on electronic-grade fiberglass for PCB applications [18] - The company’s products are essential for PCB performance, meeting the demands of high-frequency and high-speed applications [18] - China Jushi is positioned to support the domestic material supply chain and play a vital role in the high-end material upgrade process [18] Group 17 - Zhongtung High-tech specializes in hard alloys and tungsten materials, providing critical consumables for PCB processing [19] - The company’s products meet high standards for hardness, wear resistance, and precision, supporting the production of high-end PCBs [19] - Zhongtung High-tech is leveraging its resource and technology advantages to maintain a significant position in the PCB specialized hard alloy materials market [19] Group 18 - Zhao Chi Co., Ltd. focuses on smart terminals and semiconductor products, with a strong PCB business for consumer electronics and smart home applications [20] - The company’s vertical integration allows for collaborative design and production, enhancing competitiveness in the PCB market [20] - Zhao Chi Co., Ltd. is optimizing its PCB production capabilities to meet the growing demand in consumer electronics and smart home sectors [20] Group 19 - Dazhu Laser is a leading domestic laser equipment manufacturer, providing essential laser processing solutions for the PCB industry [21] - The company’s laser equipment is crucial for high-end PCB production, meeting the precision requirements of advanced applications [21] - Dazhu Laser is benefiting from the growing demand for high-end PCB production driven by AI computing power [21] Group 20 - Zhongke Electric is a privately held company with expertise in electromagnetic equipment and new materials, providing automation and thermal treatment equipment for the PCB industry [22] - The company’s products enhance PCB stability and consistency, supporting the industry's shift towards automation and intelligence [22] - Zhongke Electric is expanding its presence in the electronic manufacturing equipment sector, providing reliable support for the PCB supply chain [22] Group 21 - Hezhu Intelligent is a provider of high-end forming equipment and automation solutions for the PCB industry [23] - The company’s equipment is critical for the production of high-layer and thick copper boards, directly impacting PCB reliability and flatness [23] - Hezhu Intelligent is positioned to benefit from the growing demand for PCB production equipment driven by automotive electronics and server applications [23] Group 22 - Huace Testing is a leading third-party testing enterprise, providing comprehensive reliability and environmental testing services for the PCB industry [24] - The company’s services are essential for ensuring PCB quality in communication, automotive, and server applications [24] - Huace Testing is maintaining a leading position in the PCB testing sector, supporting industry quality assurance amid increasing regulatory demands [24] Group 23 - Sichuan Jiuzhou is a significant player in the military and electronic information sectors, focusing on high-reliability PCBs for communication and industrial control applications [25] - The company’s PCB products are known for their high yield and reliability, supported by a military-grade quality control system [25] - Sichuan Jiuzhou is positioned to meet the growing demand for high-reliability PCBs driven by new infrastructure and specialized fields [25] Group 24 - Jin Xin Nuo specializes in RF communication and high-speed interconnect products, focusing on high-frequency PCBs for communication and automotive applications [26] - The company’s products are designed to meet the demands of 5G and AI computing, with low loss and high stability [26] - Jin Xin Nuo is leveraging its expertise in RF and PCB to maintain competitiveness in the communication interconnect supply chain [26] Group 25 - Rongda Photosensitive is a leading manufacturer of PCB photosensitive inks and wet process materials, essential for PCB production [27] - The company’s products directly impact PCB precision and reliability, covering the entire PCB production process [27] - Rongda Photosensitive is positioned to benefit from the growing demand for high-precision photosensitive inks in the PCB industry [27] Group 26 - Hongchang Electronics focuses on epoxy resins and electronic chemicals, providing core materials for PCB manufacturing [28] - The company’s high-purity epoxy resins meet the demands of high-frequency and high-temperature PCBs, supplying major domestic manufacturers [28] - Hongchang Electronics is expanding its production capacity for high-end electronic-grade resins, supporting the domestic material supply chain [28] Group 27 - Dongcai Technology is a key player in the new materials sector, focusing on functional materials for PCB applications [29] - The company’s products are designed to meet the high-performance requirements of modern PCBs, supporting the domestic supply chain [29] - Dongcai Technology is leveraging its technical and production advantages to expand its presence in the PCB materials market [29]

Group 1 - The core point of the article is that Northern Copper Industry (000737) reported its shareholder count as of February 13, 2026, which stands at 202,896 households [1]

Meeting Details - The first extraordinary general meeting of Northern Copper Industry Co., Ltd. was held on February 12, 2026, at 15:00 [2] - The meeting was conducted both in-person and via online voting, with specific time slots for each voting method [2][3] - A total of 2,180 participants attended the meeting, representing 1,114,300,085 shares, which is 58.5022% of the total voting shares [3] Attendance Breakdown - Among the attendees, 2,178 were small shareholders, representing 143,356,423 shares, which is 7.5264% of the total voting shares [4] - The meeting included directors, senior management, and witnessing lawyers [5] Proposal Voting Results - No proposals were rejected during the meeting [6] - The following proposals were approved: - **Proposal on Expected Daily Related Transactions for 2026**: Approved by 142,402,523 shares (99.3346% of valid votes) [7] - **Proposal on Conducting Commodity Futures Hedging Business**: Approved by 1,113,335,185 shares (99.9134% of valid votes) [10] - **Proposal on Revising the Fund Management System**: Approved by 1,105,595,485 shares (99.2188% of valid votes) [12] Legal Opinion - The legal opinion provided by King & Wood Mallesons confirmed that the meeting's procedures complied with relevant laws and regulations [14]

注 3：北方铜业向特定对象发行 A 股股票项目之募投项目"年产 5 万吨高性能 压延铜带箔和 200 万平方米覆铜板项目"，对预计可使用状态的时间进行调整。 将该项目达到预计可使用状态日期从 2025 年 12 月 31 日延至 2026 年 12 月 31 日。上述事项已经董事会审议通过并披露。 （以下无正文） 中德证券有限责任公司关于北方铜业股份有限公司 2025 年度定期现场检查报告 | 保荐人名称：中德证券有限责任公司 被保荐公司简称：北方铜业 | | | | | | --- | --- | --- | --- | --- | | 保荐代表人姓名：任睿 联系电话：0351-8687959 | | | | | | 保荐代表人姓名：左刚 联系电话：0351-8687959 | | | | | | 现场检查人员姓名：任睿、胡伟 | | | | | | 现场检查对应期间：2025 年年度 | | | | | | 年 月 日 现场检查时间：2026 2 4 日-6 | | | | | | 一、现场检查事项 现场检查意见 | | | | | | （一）公司治理 是 | | | 否 | 不适用 | | 现场检查手段 ...

一、会议召开和出席情况 1、现场会议时间：2026 年 2 月 12 日（星期四）15:00 证券代码：000737 证券简称：北方铜业 公告编号：2026-07 北方铜业股份有限公司 2026 年第一次临时股东会决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚假记载、误导 性陈述或重大遗漏。 特别提示 1、本次股东会不存在否决议案的情形。 2、本次股东会不涉及变更以往股东会已通过的决议。 网络投票时间：通过深圳证券交易所系统进行网络投票的具体时间为 2026 年 2 月 12 日 9:15-9:25，9:30-11:30，13:00-15:00；通过深圳证券交易所互联 网投票系统投票的具体时间为 2026 年 2 月 12 日 9:15 至 15:00 的任意时间。 2、召开地点：山西省垣曲县东峰山公司办公楼三楼会议室 3、召开方式：现场投票与网络投票相结合的方式 4、召集人：董事会 5、主持人：董事长魏迎辉先生 6、本次会议的召集、召开符合《中华人民共和国公司法》《上市公司股东 会规则》《深圳证券交易所股票上市规则》等有关法律、行政法规、部门规章、 规范性文件和《北方铜业股份有限 ...

北京市金杜律师事务所 关于北方铜业股份有限公司 2026 年第一次临时股东会的法律意见书 致：北方铜业股份有限公司 北京市金杜律师事务所（以下简称本所）接受北方铜业股份有限公司（以下 简称公司）委托，根据《中华人民共和国证券法》（以下简称《证券法》）、《中华 人民共和国公司法》（以下简称《公司法》）、中国证券监督管理委员会《上市公司 股东会规则》（以下简称《股东会规则》）等中华人民共和国境内（以下简称中国 境内，为本法律意见书之目的，不包括中国香港特别行政区、中国澳门特别行政 区和中国台湾省）现行有效的法律、行政法规、规章和规范性文件和现行有效的 《北方铜业股份有限公司章程》（以下简称《公司章程》）有关规定，指派律师出 席了公司于 2026 年 2 月 12 日召开的 2026 年第一次临时股东会（以下简称本次股 东会），并就本次股东会相关事项出具本法律意见书。 为出具本法律意见书，本所律师审查了公司提供的以下文件，包括但不限于： 1. 经公司 2025 年第二次临时股东会审议通过的《公司章程》； 2. 公司于 2026 年 1 月 20 日刊登于深圳证券交易所网站（www.szse.cn）的 《北方铜业股份 ...

Core Viewpoint - The non-ferrous metal sector continues to show strong performance, with the popular ETF, Huabao Non-Ferrous ETF (159876), experiencing a rise of 1.38% and recovering key moving averages, indicating a bullish trend in the market [1][3]. Industry Performance - The non-ferrous metal sector is witnessing significant gains, with leading stocks such as Baotai Co. rising over 6%, and Shenghe Resources increasing by more than 4% [1][2]. - The global nickel market is affected by Indonesia's production limits, which could reduce nickel output to 2.6-2.7 million tons by 2026, potentially leading to a price recovery for nickel [2]. Macroeconomic Factors - The U.S. non-farm payrolls increased by 130,000 in January, surpassing expectations, while the unemployment rate fell to 4.3%, the lowest since August 2025 [3]. - The strong labor market data has reduced the likelihood of interest rate cuts by the Federal Reserve, positively impacting the dollar index and U.S. Treasury yields [3]. Investment Outlook - Analysts from Zhongjin Securities and Huatai Securities express optimism about the non-ferrous metal sector, suggesting that the market has not yet reached its peak and may continue to rise after a short-term adjustment [3]. - The Huabao Non-Ferrous ETF covers a wide range of metals, including copper, aluminum, gold, rare earths, and lithium, making it an effective tool for investors looking to capitalize on the sector's performance [3].

Group 1 - The core point of the article is that Northern Copper (000737) has reported its shareholder count as of January 30, 2026, which stands at 214,282 households [1]