Doosan is a South Korean multinational conglomerate focused on Infrastructure Support Business and heavy industries. Its core operations include the manufacture of power generation equipment (thermal, nuclear, and new renewable energy, including gas turbines and hydrogen), and being a global leader in construction machinery through its subsidiary Doosan Bobcat (compact equipment like excavators and loaders). The company also specializes in water treatment and desalination plants, production of industrial components (castings and forgings), and development of robotics and automation technology.