Cominix Co., Ltd. is primarily engaged in selling cutting tools, abrasion-resistant tools and optical products. The Company mainly operates through four business segments. The Cutting Tools segment provides cemented carbide and special steel cutting tools, and grinding tools, holders, precision measurement equipment, machine tools and others, primarily for metal processing businesses such as automobile part manufacturers, through direct sales or wholesale. The Abrasion-Resistant Tools segment provides abrasion-resistant tools such as can manufacturing tools for can manufacturers. The Overseas segment sells cutting tools and abrasion-resistant tools overseas through its subsidiaries. The Optical Products segment provides optical components, light source devices and optical fibers mounted on inspection equipment for semiconductors, liquid crystals and solar cells.