证券代码：002683 证券简称：广东宏大 公告编号：2025-071 广东宏大控股集团股份有限公司 第六届董事会 2025 年第九次会议决议公告 2、审议通过了《关于提请召开 2025 年第五次临时股东会的议案》 一、董事会会议召开情况 广东宏大控股集团股份有限公司（以下简称"公司"）第六届董 事会 2025 年第九次会议于 2025 年 9 月 9 日以电子邮件方式向全体董 事发出通知。 本次会议于 2025 年 9 月 26 日以通讯表决方式召开，会议应到董 事 9 人，实到董事 9 人。会议由董事长郑炳旭先生主持。 本次董事会会议的召开符合《公司法》和《公司章程》的有关规 定。 二、董事会会议审议情况 1、审议通过了《关于聘请 2025 年度审计机构的议案》 董事会审计委员会审议通过了本议案。 表决情况：同意 9 票，反对 0 票，弃权 0 票。 内容详见公司于同日刊登在《中国证券报》《上海证券报》《证 券日报》《证券时报》及巨潮资讯网（http://www.cninfo.com.cn） 的相关公告。 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。 表 ...

Core Viewpoint - The modern coal chemical industry is entering a development opportunity period due to the resonance of industrial upgrading and energy security, with coal as a primary raw material for producing alternative petrochemical products and clean fuels [2][3]. Group 1: Industry Overview - Modern coal chemical industry includes coal-to-olefins, coal-to-ethylene glycol, coal-to-aromatics, coal-to-oil, and coal-to-natural gas, characterized by high technological content and added value [2]. - China's energy reserves show a "rich coal, poor oil, and less gas" feature, with coal accounting for over 50% of the energy consumption structure [2][3]. - The high dependence on imported oil and gas resources, with 2023 import ratios of 73% for crude oil and 42% for natural gas, necessitates the development of modern coal chemical industry to alleviate external dependency [2]. Group 2: Regional Advantages - Xinjiang has the foundational conditions to become a large coal chemical base, with coal reserves of 2.19 trillion tons, accounting for about 40% of the national total [3]. - The coal types in Xinjiang are of high quality, primarily consisting of low-volatile long flame coal, non-caking coal, and weakly caking coal, suitable for both power generation and chemical raw materials [3]. - The cost advantages in Xinjiang make it suitable for open-pit mining, supported by national policies positioning Xinjiang as a major coal chemical base [3]. Group 3: Investment Opportunities - Investment in coal chemical projects is projected to exceed 800 billion yuan in Xinjiang, with specific projects including 9 coal-to-olefins projects (investment of 257.5 billion yuan), 11 coal-to-natural gas projects (investment of 310.9 billion yuan), and 3 coal-to-oil projects (investment of 104.3 billion yuan) [3]. - The coal-to-gas projects in Xinjiang have a total investment of 260.3 billion yuan, with planned capacity of 40 billion cubic meters, showcasing significant economic advantages due to lower coal prices compared to other regions [4]. - The coal-to-oil projects in Xinjiang are expected to achieve breakeven at coal prices of 500-600 yuan/ton and international oil prices of 60-70 USD/barrel, with production costs significantly lower than in other regions [5]. Group 4: Investment Directions - Investment opportunities can be categorized into three main areas: equipment manufacturers, project owners, and service providers [7]. - Recommended companies for equipment and engineering services include Sanwei Chemical, China Chemical, and Donghua Technology [7]. - Companies benefiting from Xinjiang's cost advantages in coal chemical projects include Baofeng Energy and Guanghui Energy [7].

Core Viewpoint - Guangdong Hongda's stock price has shown significant growth this year, with a year-to-date increase of 74.03% and a recent surge in trading activity, indicating strong investor interest and potential for further gains [2]. Group 1: Stock Performance - As of September 25, Guangdong Hongda's stock rose by 2.04%, reaching 44.96 CNY per share, with a trading volume of 2.47 billion CNY and a market capitalization of 341.70 billion CNY [1]. - The stock has increased by 8.49% over the last five trading days, 34.60% over the last 20 days, and 36.36% over the last 60 days [2]. Group 2: Financial Performance - For the first half of 2025, Guangdong Hongda reported a revenue of 9.15 billion CNY, reflecting a year-on-year growth of 65.64%, and a net profit attributable to shareholders of 504 million CNY, up 22.05% [2]. - The company has distributed a total of 2.248 billion CNY in dividends since its A-share listing, with 1.288 billion CNY distributed over the past three years [3]. Group 3: Shareholder and Institutional Holdings - As of June 30, 2025, Guangdong Hongda had 33,900 shareholders, a decrease of 5.85% from the previous period, with an average of 19,482 circulating shares per shareholder, an increase of 6.21% [2]. - Notable institutional investors include the newly entered funds such as Fortune Tianhui Growth Mixed Fund and GF Small Cap Growth Mixed Fund, indicating growing institutional interest [3].

Group 1 - The daily return volatility of actively managed equity funds heavily invested in overseas computing power has increased since August 25, with a rising correlation between their returns and the overseas computing power index since June [1] - The adjustment level of actively managed equity funds focused on overseas computing power chains is not expected to significantly impact the leading companies in this sector [1] - There is a divergence in the market regarding the main overseas computing power chain, with a study indicating that funds that aggressively increased their positions during the Q2 pullback have shown strong investment capabilities [1] Group 2 - In the current week (September 15-19), the overall A-share market declined by 0.18%, with sectors like photolithography machines and optical modules showing strong performance [2] - Key themes include the domestic photolithography machine validation by SMIC, the high demand for AIDC driven by policy, and the expansion of service consumption as a new growth engine [2] - The overall industry sentiment indicates an upward trend in sectors such as steel, construction materials, and electronics, while sectors like oil and food are trending downward [9] Group 3 - The bond market is currently experiencing fluctuations, with credit bonds showing mixed performance and a "V" shaped trend in interest rates [6] - The market is expected to continue oscillating within a range, influenced by the interplay of institutional behavior and fundamental pressures [7] - The focus on credit bonds suggests a preference for strategies that prioritize coupon income over trading, given the current market conditions [6] Group 4 - The recent Federal Reserve meeting resulted in a 25 basis point rate cut, which is expected to lead to valuation recovery in the building materials sector [15] - The Xinjiang region is highlighted for its strong economic growth, with fixed asset investment increasing by 9.1% year-on-year, indicating robust demand for construction materials [15] - Key companies to watch in the cement chain include Qingsong Construction, Tianshan Shares, and Western Construction, with significant projects expected to drive demand [15]

New Stock Listings - YouSheng Co., Ltd. (Stock Code: 603418) listed at an issue price of 46.36 RMB on September 23, 2025[1] - ZhiTianTui (Stock Code: 300280) is in the delisting preparation period with 8 trading days remaining[1] - ZhongHuanHaiLu (Stock Code: 301040) and JiShiChuanMei (Stock Code: 601929) have recent announcements regarding trading activities[1] Trading Alerts - XianDaoZhiNeng (Stock Code: 300450) reported severe abnormal fluctuations in trading[1] - HangKeKeJi (Stock Code: 688006) and YuanLinCo (Stock Code: 605303) have recent trading alerts[1] - Multiple stocks including YunNanLvYou (Stock Code: 002059) and *STMuBang (Stock Code: 603398) have recent announcements related to trading activities[1] Market Trends - A total of 30 stocks have been flagged for abnormal trading activities in the past week, indicating increased market volatility[1] - The recent trading patterns suggest a potential shift in investor sentiment, particularly in the technology and media sectors[1]

Investment Rating - The report maintains a recommendation for the chemical industry, indicating a positive outlook for the sector [6]. Core Viewpoints - The report highlights significant price increases in chloromethane and isooctyl acrylate, suggesting a focus on new materials with substantial market potential [1]. - It recommends attention to Jiangshan Co., which is expected to benefit from rising glyphosate prices and has promising developments in innovative drugs [5]. - The DVA market is noted for its vast potential, with Daon Co. making key advancements in DVA products [5]. Industry Performance - In the third week of September, the chemical sector (Shenwan) declined by 1.33%, slightly underperforming the Shanghai A-share index, which fell by 1.31% [2][13]. - The dynamic PE for the chemical sector stands at 22.54 times, above the average PE of 12.20 times since 2015 [2][13]. Sub-industry Trends - Among the 31 sub-industries, 8 experienced gains while 23 saw declines. The top five gaining sub-industries included civil explosives (+7.72%) and modified plastics (+7.67%), while the top five declining sub-industries included carbon black (-5.25%) and other chemical raw materials (-4.74%) [3][17]. Chemical Prices and Spreads - The report lists the top five products with the highest weekly price increases: liquid chlorine (+22.93%), monochloromethane (+19.44%), and isooctyl acrylate (+7.47%) [4][22]. - The report also details the top five products with the largest price spread increases, including aniline spread (+17.56%) and ethylene spread (+13.17%) [4][34]. Inventory Changes - Significant inventory changes were noted, with ethylene glycol increasing by 25.67% and polyester chips by 11.98%, while epoxy propane saw a decrease of 10.44% [5][52].

广东宏大控股集团股份有限公司（以下简称"公司"）根据公司 业务发展需要，对公司网址进行了变更，现将具体变更信息公告如下： | 变更事项 | 变更前 | 变更后 | | --- | --- | --- | | 公司网址 | www.hdbp.com | www.gdhdkg.com | 变更后的公司网址已正式启用，旧网址将变更为子公司宏大爆破 工程集团有限责任公司的新网址。除上述变更外，公司办公地址、电 话、传真和电子邮箱等其他联系方式均保持不变，敬请广大投资者留 意。 证券代码：002683 证券简称：广东宏大 公告编号：2025-070 广东宏大控股集团股份有限公司 关于变更公司网址的公告 | 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。 | 特此公告。 广东宏大控股集团股份有限公司董事会 2025 年 9 月 23 日 ...

Group 1: Chemical Sector Performance - The chemical raw materials index decreased by 1.21%, while the chemical machinery index increased by 2.90% [1] - The pharmaceutical index fell by 1.36%, and the pesticide and fertilizer index dropped by 2.50% [1] - The oil processing index declined by 2.22%, the oil extraction index decreased by 3.17%, and the oil trading index fell by 1.46% [1] Group 2: Oil Prices - As of September 19, the WTI crude oil futures settled at $62.68 per barrel, down 0.02% from September 12 [1] - The Brent crude oil futures settled at $66.68 per barrel, down 0.46% from the previous Friday [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with price increases were liquid chlorine (up 22.93%), isooctyl acrylate (up 7.47%), acrylic acid (up 5.04%), calcium carbide (up 4.94%), and MMA (up 4.51%) [1] - The top five petrochemical products with price decreases were vitamin E (down 10.00%), epichlorohydrin (down 6.44%), sulfuric acid (down 4.94%), p-nitrochlorobenzene (down 4.62%), and dichloromethane (down 3.64%) [1] Group 4: Capital Market Performance of Chemical Companies - The top five performing listed chemical companies were Kaimete Gas (up 28.62%), Hongda Explosive (up 22.93%), Sanwei Co. (up 22.53%), Zhongshi Technology (up 21.57%), and Jinghua New Materials (up 18.94%) [2] - The bottom five performing listed chemical companies were Runyang Technology (down 11.48%), Lafang Cosmetics (down 10.43%), Wankai New Materials (down 10.42%), Jiaao Environmental Protection (down 10.25%), and Shilong Industrial (down 9.41%) [2]

Summary of Key Points from Conference Call Records Industry Overview - The military industry in China is mature and has significant international market potential, with foreign trade becoming a focal point [1][2] - The end of the 14th Five-Year Plan has catalyzed policies, leading to a recovery in upstream military electronics orders, although challenges remain [1][2] - The 15th Five-Year Plan will commence in 2026, with a goal of military modernization by 2027, emphasizing the need for new combat capabilities [1][2] Core Insights and Arguments - Increased global military equipment demand due to rising geopolitical tensions and conflicts, validating the performance of domestic equipment in international markets [1][2] - The integration of AI in military applications is driving modernization, with China aiming for AI development goals by 2030 [1][2][5] - The 2025 military parade showcased advanced military technologies, including hypersonic weapons and unmanned systems, indicating a shift towards joint operations and modern combat systems [1][6] AI Applications in Military - AI applications in the military encompass various areas, including command operations, equipment maintenance, autonomous drones, and logistics management [5][7] - The U.S. leads in military AI, with significant investments in AI companies and rapid decision-making enhancements within NATO [5][9] - China's military AI development involves numerous companies, including aerospace and navigation firms, contributing to a comprehensive upgrade of military capabilities [9] Emerging Technologies and Equipment - The 2025 military parade highlighted new technologies such as AI-enabled drones and ground robots, enhancing overall military effectiveness [8][9] - Specific advancements include lightweight automatic rifles and smart wearable devices for soldiers, improving operational efficiency [8][9] Long-term and Short-term Outlook - Long-term prospects for military informationization and intelligence construction in foreign trade are promising, potentially expanding the domestic military market [10] - Short-term recovery in foreign trade requires time, with the military sector showing thematic investment trends [11] New Production Forces and Trends - Key development areas include commercial aerospace, low-altitude economy, and deep-sea technology, which are prioritized in national development plans [12][14] - The deep-sea technology sector is crucial for national security and economic interests, with ongoing advancements in underwater research and resource development [13][14] Investment Recommendations - Focus on military AI industrialization, with attention to emerging themes in commercial aerospace and unmanned intelligence [16][17] - Key companies to watch include those involved in national defense and aerospace, as well as firms specializing in AI and information technology [16][17]

Group 1: High-end Manufacturing Industry - In August, domestic sales of engineering machinery showed resilience during the off-season, with significant recovery in non-excavator categories and strong export performance [2] - The report recommends key manufacturers such as SANY Heavy Industry, Zoomlion, XCMG, LiuGong, Shantui, and China Longgong, as well as component manufacturers like Hengli Hydraulic [2] Group 2: Real Estate Market - Continuous policy benefits in major cities like Beijing and Shanghai have led to increased new home transactions, with Shanghai's new home transaction volume rising by 62.5% post-policy implementation [3][4] - The top three new home transaction amounts in Shanghai from January to August 2025 were recorded by Poly Developments, China Merchants Shekou, and China Resources Land [3] Group 3: Steel Industry - Xianglou New Materials, a leading company in precision stamping, is expected to benefit from the rising demand for precision steel in high-end manufacturing sectors such as automotive and bearings [5] - The company is also expanding into materials for humanoid robot components, with projected net profits of 239 million, 280 million, and 336 million yuan for 2025-2027 [5] Group 4: Construction Industry - Zhongfu Shenying has shown significant improvement in profitability, achieving its first profit in a year during Q2 2025, driven by stable product prices and increased sales [6] - The net profit forecasts for Zhongfu Shenying have been adjusted to 125 million yuan for 2025, 157 million yuan for 2026, and a new estimate of 215 million yuan for 2027 [6]