【Manufacturing Industry】 ■ Water pipe bridges and bridge-mounted pipes ■ Steel-shaped pipes ■ Coated steel pipes for water transport ■ Non-freezing rapid air valves, agricultural air valves, small air valves ■ Stainless steel piping systems ■ Expansion joints ■ Emergency water supply tanks, water supply faucets ■ Water supply faucets for water supply vehicles ■ Gas water extractors ■ Steel fire-fighting water tanks ■ Water control valve boxes ■ Stop valve boxes ■ Welded sockets ■ Portable storage battery systems 【Construction Industry】 ■ Gas and water main installation work ■ Sanitary plumbing work for supply and drainage ■ Heating and cooling air conditioning work ■ Septic tank construction ■ Bridge repair work ■ Facility machinery work ■ Blasting work 【Rental Industry】 ■ Temporary materials for water main ■ Emergency materials joint storage system 【Engineering Business】 ■ Control panel design and manufacturing 【Solar Power Generation Business】 ■ Solar carports ■ Solar cycle ports 【Water Supply Business】 ■ Niigata East Port Water Supply Project