斉藤鐵工所 本社 Official site

River facility - Fluctuation gate

River facility roller gate

River facilities flap gate

Moisture-proof horizontal sliding gate

Moisture-proof roller gate

Moisture-proof My Gate

Moisture-proof equipment Swing gate

Dust collector

Sewage and drainage facilities

Agricultural waterway equipment slide gate

Farm pond facilities

Opening and closing device, others

Disaster prevention equipment

Dam