Air ducts are used in heating, ventilation and air conditioning to deliver and remove air. The needed airflow include Air conditional system, Fresh air supply system, Air exhaust system, Pressure control system, Smoke or odor exhaust system, Pressurization system, dust filter system...

Materials:
- Galvanized iron sheets.
- Stainless steel SUS201; S304.
Fabrication specification:  
- Smacna air duct fabrication specification.
- Depending on customer’s demand.