**Business scope of Hydrogen Energy Co., Ltd.:
1. Research and development, production, and sales of hydrogen fuel cells, system control equipment, and related components
2. Research and development, production, and sales of fuel cell backup power stations, mobile power stations, cogeneration systems, and portable power sources;
3. Research and development, production, and sales of automotive and marine power systems, as well as marine power devices;
4. Production and sales of small-scale hydrogen production equipment and storage and transportation equipment;
5. Research and consulting on hydrogen energy technology and system control technology;
6. Sales of systems, complete machines, and components for hydrogenation equipment and charging station equipment;
7. Investment, construction, and equipment installation of various mobile and fixed hydrogen refueling stations and their infrastructure;
8. Provide customers with hydrogen supply technology consulting services, including technology development, technology transfer, technology consulting, and technology services for hydrogen refueling equipment and charging station equipment;
9. Production and sales of plastic products, etc.