1. Machinery Manufacturing: Cast iron is widely used in the machinery manufacturing sector, including in the manufacture of heavy components such as engine blocks, wheels, and gears, as well as in the manufacture of general-purpose machinery, light industrial machinery, and other mechanical equipment.
2. Construction Engineering: Cast iron is widely used in the construction industry, including in the manufacture of fire hydrants, pipes, sound insulation, floor tiles, and other building materials.
3. Automotive Manufacturing: Cast iron is widely used in the automotive industry, including in the manufacture of components such as engines, brake systems, chassis, and frames.
4. Aerospace: Cast iron is also used in the aerospace industry, including in the manufacture of aircraft engines, aircraft inlet ducts, and turbine impellers.