Development and sales of special vehicles and equipment; manufacturing of special-purpose vehicle compartments and equipment; manufacturing and sales of automotive automatic control systems, automotive parts, fire-fighting vehicles, fire-fighting equipment, fire pumps, rescue equipment, protective equipment, and fire-fighting apparatus; research on special-purpose vehicles and fire prevention and extinguishing rescue technologies; undertaking fire engineering and fire business consulting; sales of automotive parts, fire-fighting equipment, metal materials, electromechanical equipment, hardware and electrical appliances, computers, and office supplies; self-operated and agency import and export of various goods and technologies. General items: rental services (excluding licensed rental services); transportation equipment rental services.