Road cargo transport (excluding dangerous goods); power generation, transmission, and distribution (power supply) services. General items: plastic product manufacturing; sanitary ware manufacturing; labor protection product production; plastic product sales; construction metal accessory manufacturing; manufacturing of construction decoration, water supply and drainage pipe fittings, and other construction metal products; foreign-contracted projects; construction decoration material sales; safety and fire-fighting metal product manufacturing; plastic packaging box and container manufacturing; plastic surface treatment; landscaping engineering construction; general mechanical equipment installation services; daily-use product sales; petroleum product sales (excluding hazardous chemicals); metal material sales; construction material sales; light building material manufacturing; engineering plastic and synthetic resin sales; mechanical equipment sales; hardware product wholesale; chemical product sales (excluding licensed chemicals); metal product sales; pipeline transport equipment sales; domestic trade agency; fire-fighting equipment sales; sanitary ware sales; internet sales (excluding goods requiring sales permits); insulation material sales; road cargo transport station operations; road cargo transport for vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); technology import and export; import and export agency; mechanical equipment leasing; general cargo warehousing services (excluding hazardous chemicals and other items requiring permits); labor protection product sales; hardware product research and development; household appliance research and development; sanitary ware research and development; mechanical equipment research and development; metal product research and development; photovoltaic power generation equipment leasing; photovoltaic equipment and component manufacturing; photovoltaic equipment and component sales; solar power generation technical services; emerging energy technology research and development.