Precision System Science Co., Ltd. engages in the development, manufacture and sale of automated systems, physicochemical instruments, and reagents. It operates through the following segments: Instruments, Reagent Kits & Consumable, Maintenance, and Customized Products. The Instruments segment offers equipment for automatic DNA (Deoxyribonucleic Acid) extraction for laboratories and clinical institutions that includes immunochemical luminescent measuring systems and equipment for specimen pretreatment. The Reagent Kits & Consumable segment consists of PSS (Precision System Science) brand reagent for sample preparation and exclusively designed plastic consumables for PSS instruments. The Maintenance segment engages in the systems maintenance and sales of spare parts. The Customized Products segment sells customized automation systems and develops systems in accordance with customer specifications. The company was founded on July 17, 1985 and is headquartered in Matsudo, Japan.