Zuiko Corporation. The Company's principal activity is to manufacture sanitary napkin and diaper manufacturing machinery and supplies. The activities are carried out through five segments namely: Diaper manufacturing machines, Napkin manufacturing machines, Adults' diaper manufacturing machines, Parts and Others. Diaper manufacturing machines accounted for 36% of fiscal 2002 revenues; Napkin manufacturing machines, 34%; Adults' diaper manufacturing machines, 20%; Parts, 3% and Others, 7%.