The structure of these ducts is spiral or round or circular, that by creating seams on the surface of that, it becomes more strength and appealing. our production ducts are produced in four different thicknesses of 0.6, 0.8, 1, and 1.25 millimeters. our factory with modern and advanced equipment could produce these ducts in higher than 1.25 millimeters thicknesses if customers need it.
most of the time these ducts are produced by galvanized steel sheets. but if the customers’ needs, aluminum, and stainless steel can be used.