Miyoshi Ltd is employed in designing and manufacturing mould and precision pressed parts and trading in related products and trading commodities. It operates in four segments. The Data Storage segment is engaged in the manufacture of metal semi-finished components for hard disk drives and removable storage devices, The Consumer Electronics segment is engaged in the manufacture of metal semi-finished components for photocopiers, scanners, and printers, The Automotive segment is engaged in the manufacture of finished products of light electric vehicles and semi-finished metal components and The Other segment includes commodities trading and rental income arising from investment properties.