Manufacturing of specialized production vehicles; Manufacturing and processing of hardware accessories; Production of emergency rescue equipment; Manufacturing of fire-fighting equipment and apparatus; Manufacturing of industrial robots; Manufacturing of automotive parts and accessories (excluding automobile engine manufacturing); Manufacturing of light and small lifting equipment; Manufacturing of airport-specific handling machinery and equipment; Manufacturing of non-metallic ships; Manufacturing of marine supporting equipment; Manufacturing of non-road leisure vehicles and parts; Repair of specialized equipment; Ship repair; Maintenance and repair of fire-fighting facilities and equipment; Repair of emergency rescue equipment; Wholesale of automotive parts; Import and export of goods (excluding goods under exclusive control); Wholesale of commodities (excluding licensed and approved commodities); Wholesale of fire-fighting equipment and apparatus; Sale of automobiles; Manufacturing of mechanized agricultural and horticultural machinery; Manufacturing of security technology products; Manufacturing of traffic safety, control, and similar specialized equipment.