General Items: Sales of recycled resources; sales of metal materials; sales of non-ferrous metal alloys; operation of road freight transportation stations; cargo packing services; government procurement agency services; processing and treatment of metal waste and scraps; recycling of renewable resources (excluding productive scrap metal); processing of renewable resources; recovery of productive scrap metal; recycling and cascade utilization of used power batteries from new energy vehicles (excluding hazardous waste operations); sales of plastic products; sales of pulp; supply chain management services; sales of specialized environmental protection equipment; domestic trade agency; processing and treatment of non-metallic waste and scraps; sales of metal products; sales of hydraulic power machinery and components; solid waste management