1. Manufacturing and sales of Daiwa Telecon (wireless control devices) and electronic equipment 2. Manufacturing and sales of the Daiwa Atomic Series (basic machinery) 3. Manufacturing and sales of Daiwa Cranes (gantry and overhead) 4. Leasing and rental of crawler cranes (50t to 150t) 5. Manufacturing, sales, repair, leasing, rental, export, and import of construction machinery 6. Design, production, sales, modification, installation work, and repair of industrial machinery, labor-saving machinery, emergency power supply equipment, and various plants 7. Damage and life insurance agency business