The registered address of Qingzhou Huakun Environmental Protection Technology Co., Ltd. is located 280 meters south of the intersection of Wangsang South Street and Wangsang East Street in Qingzhou City, Weifang City, Shandong Province. The registration authority is Qingzhou Market Supervision Administration, and the legal representative is Gao Chunlin. The business scope includes general projects: research and development of high-efficiency energy-saving technologies in the mining industry; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of marine engineering equipment; Research and development of marine engineering equipment; Ship leasing; Ship sales; Trade brokers; Manufacturing of underwater systems and operational equipment; Sales of underwater systems and operational equipment; Manufacturing of marine engineering platform equipment; Sales of marine engineering equipment; Sales of marine environmental monitoring and detection equipment; Manufacturing of marine environment monitoring and detection equipment; Sales of water transportation equipment; Sales of spare parts for water transportation equipment; Manufacturing of specialized machinery and equipment for water resources; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Mechanical equipment leasing; Sales of mechanical equipment; Specialized equipment repair; Manufacturing of entertainment boats and sports boats; Sales of entertainment boats and sports boats; Sales of specialized equipment for environmental protection; Manufacturing of specialized equipment for environmental protection; Industrial robot manufacturing; Sales of industrial robots; Mechanical parts and component processing; Sales of mechanical parts and components; Mining machinery manufacturing; Sales of mining machinery; Sales of special equipment; Internet sales (except for the sale of goods that need to be licensed); Import and export of goods; Technology import and export; Sales of agricultural machinery; Agricultural machinery leasing; Agricultural machinery manufacturing; Sales of construction machinery; Manufacturing of machinery for construction projects. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: special equipment manufacturing; Ship retrofitting; Ship design; Metal ship manufacturing; Ship manufacturing; Construction labor subcontracting; Ship repair. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.)