Japan Steel Works Ltd (The)(JSW). The principal activities of the Group are the manufacture of steel products (large-sized steel castings and forgings, heavy machinery and steel structures, steel plates); machinery products (plastics machinery, industrial machinery, and equipment for the petroleum, gas, chemicals, and petrochemicals industries). Areas of further development include advanced materials, optics, magnetics, electronics, biotechnology, and other leading-edge technologies. This Group is also engaged in regional development (urban development, regional development, environmental services). Machinery products accounted for 69% of fiscal 2002 revenues; steel products, 28% and regional development, 3%.