■Chemical Products Business Industrial Chemicals: Soda Products / Inorganic Chemicals / Organic Chemicals and Solvents Surface Treatment Materials: Equipment / Chemicals for Plating and Anodizing / Non-Ferrous Metals and Precious Metals / Chemicals and Materials for Coating Physical and Chemical Instruments and Reagents: Laboratory Equipment ■Water Treatment Business Water Treatment Devices, Equipment, and Facilities: Pure Water and Ultra-Pure Water Production Equipment / Reverse Osmosis Membrane Systems / Electric Regeneration Pure Water Systems / Various Filtration Devices / Wastewater Treatment Equipment / Cartridge-Type Pure Water Units / Filters / Ion Exchange Resins / RO, NF, UF, MF, Degassing Membranes / Activated Carbons ■Plant System Engineering Business Design, Manufacturing, Construction, and Maintenance of Water Treatment Devices and Facilities