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].

Core Viewpoint - The event during the 2025 China Langfang International Economic and Trade Fair showcased the launch of the light-sensitive semiconductor hydrogen production solution and the high-quality development of clean energy in Weichang, highlighting its unique development model of "sunlight to green hydrogen, turning stone into gold, and green electricity to green diamonds" [1][3][5] Group 1: Event Overview - The event featured a dual approach of "technology launch + scenario release," aimed at fostering government-enterprise cooperation and industry connections, attracting high-quality enterprises and innovative resources to accelerate the development of Weichang's clean energy industry [3][5] - Weichang is recognized as a "national first batch of green energy demonstration counties" and has a unique geographical advantage with a significant clean energy endowment, including abundant wind, solar, geothermal, and biomass resources [3][5][8] Group 2: Technological Innovations - Chengfeng Hydrogen Intelligent Equipment (Hebei) Co., Ltd. introduced a groundbreaking light-sensitive semiconductor hydrogen production solution, achieving an average light-to-hydrogen conversion rate exceeding 19% and aiming to reduce green hydrogen costs to below 20 yuan by 2026, four years ahead of the International Energy Agency's target [5][6] - Zhongxian New Materials Technology (Chengde) Co., Ltd. developed a novel all-electric kiln technology and high-performance continuous basalt fiber formula, transforming basalt into a new environmentally friendly fiber with applications across various industries [5][6] - Hebei Toshi Crystal Armor Technology Co., Ltd. presented a green energy and advanced material integration model, utilizing clean electricity to drive low-carbon diamond production, promoting a closed-loop system for energy structure transformation [6] Group 3: Industry Development and Future Prospects - Experts from various universities provided insights into the current status and future prospects of Weichang's clean energy industry, while the Beijing Yizhuang Industrial Research Institute released a clean energy industry chain map, detailing strategic planning and development blueprints [7][9] - The event emphasized Weichang's commitment to ecological priority and green development, showcasing its clean energy resources and achievements, while attracting interest from enterprises and investors in various projects [7][8] - Weichang aims to create a comprehensive industrial chain around energy, focusing on the entire lifecycle of energy production, transmission, storage, and utilization, thus providing a replicable model for clean energy industry development nationwide [8]