Shandong Daokou Board Rail Engineering Co., Ltd. was established on February 9, 2021, with its registered address at 1030, Building A, Zhicheng International, Honghe Street, High-tech Zone, Jining City, Shandong Province. The legal representative is Wang Wan. Business scope includes: Construction of fire protection facilities (special operation projects subject to approval; for details, please refer to the approved documents or permits issued by relevant departments; subject to the approval of the administrative authorities, the specific business scope is subject to the business license and other relevant laws and regulations). General projects include: auxiliary activities for railway transportation; research and development of machinery and equipment; research and development of high-efficiency energy-saving technologies in the mining industry; sales of special equipment for rail transit, key systems, and components; sales of cement products; sales of rubber products; installation services for general machinery and equipment; sales of rail transit engineering machinery and equipment and components; sales of special equipment; sales of mining machinery; sales of machinery and equipment; sales of mechanical parts and components; sales of high-performance fibers and composite materials; research and development of new materials (except for projects that are not subject to mandatory approval, the company shall independently operate and manage in accordance with the business license).