Manufacturing of round & square ducting - round fittings, 90 degree elbows, square to round, end caps, slip joints, in line dampers, branch take offs, spigots, concentric reducers, Chinese hats, fixed cowls, generator ducting to remove hot air, sheet metal cladding for boilers and chillers, high pressure elbows with lip for easy O ring and clamping. if you have a drawing or not we will manufacture your ducting for you from extraction, ventilation, fume removal, warehouse fresh air and cooling, please feel free to contact us with any quire.