Core Viewpoint - The article highlights the participation of three innovative companies from Hebei at the China International Supply Chain Promotion Expo, showcasing their advancements in clean energy technologies and materials, particularly in green hydrogen production, basalt fiber, and synthetic diamonds [3][4][5]. Group 1: Clean Energy Innovations - "Sunlight to Green Hydrogen" is a technology developed by Chengfeng Hydrogen Energy Intelligent Equipment (Hebei) Co., which connects photovoltaic panels to hydrogen production units, enabling hydrogen generation using solar energy [4]. - The company has overcome challenges related to the volatility of photovoltaic power generation, achieving a low-cost, low-energy, and zero-emission hydrogen production solution [4]. - The other participating companies, Hebei Toshi Crystal Armor Technology Co. and Zhongxian New Materials Technology (Chengde) Co., are also startups established after 2022, contributing unique technologies to the clean energy sector [4]. Group 2: Basalt Fiber Technology - Zhongxian New Materials showcased a process that transforms basalt rock into high-value fibers, significantly increasing its market price from tens of yuan per ton to over 400,000 yuan per ton for processed basalt flakes [5]. - The basalt fiber composite rebar is lighter than traditional steel rebar, weighing only a quarter while offering higher strength and better corrosion resistance [6]. - The company utilizes local green electricity resources to produce basalt fibers with no waste emissions during the process, positioning itself as an environmentally friendly alternative in construction materials [5][6]. Group 3: Synthetic Diamonds - Hebei Toshi Crystal Armor Technology Co. produces synthetic diamonds using green electricity, significantly reducing production time to 600 hours compared to natural diamonds [6]. - The company has developed high-end equipment for diamond production, achieving a 35% to 40% reduction in production costs while maintaining a purity level of 99.999% [7]. - The participation in the expo has led to potential collaborations with major companies and research institutions, enhancing the company's visibility and opportunities in the market [7].

证券代码：688425 证券简称：铁建重工 公告编号：2025-016 关于部分募集资金投资项目延期与变更 并投入新项目的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律责任。 重要内容提示： ● 本次延期的募集资金投资项目（以下简称募投项目）：根据目前部分募 投项目的实施进度，中国铁建重工集团股份有限公司（以下简称公司）对"深地 深海地下工程装备的研发项目" "地下工程装备再制造关键技术研发与应用项目" 以及"高端智能农机装备的研发项目"等三个募投项目的完成时间进行延期。 ● 本次拟变更的募投项目： "引水隧洞掘进机装备研发与应用项目"。 中国铁建重工集团股份有限公司 其利息收入 419.94 万元（最终以资金转出当日银行结息余额为准）用于新项目 "引水隧洞掘进机装备研发与应用项目"。 募集资金投资额由 29,000.00 万元调整为 23,000.00 万元，并将节余募集资金 元用于新项目"引水隧洞掘进机装备研发与应用项目"。 以上节余募集资金用于新项目"引水隧洞掘进机装备研发与应用项目"合计 为 26,132.96 万 ...