The registered address of Tai'an Hongyi Mining Technology Co., Ltd. is located at No. 2, Caiyuan New Village, West Panhe Street Flyover, Longtan Road, Mount Taishan District, Tai'an City. The registration authority is the Market Supervision Administration of Mount Taishan District, Tai'an City, and the legal representative is Zhang Zhaopeng. The business scope includes the research, development and sales of mining equipment and accessories; Sales of ventilation equipment, electrical equipment, wind and power tools, instruments and meters, plastic products, security equipment, mechanical equipment and accessories, chemical products (excluding hazardous chemicals), cement and products, hardware and electrical equipment; Sales, installation, and maintenance of mechanical and electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)