Sharqawi Air Distribution Systems Factory sets new benchmarks by using latest model of spiral tube machines which covers the complete range of international standard sizes up to 1600 mm diameter. This machine is very reliable, fast and has proven qualities of SPIRO INTERNATIONAL S.A. The design and options fulfil the needs in HVAC to produce in mid steel, galvanized steel, stainless steel or aluminium meeting easily the following standards AFNOR, BS, DIN, EUROVENT and SMACNA. The forming heads from SPIRO INTERNATIONAL S.A. together with the clinching deveice represent the state of the art to provide tubes in top quality concerning air tight spiral lockseam and diameter tolerance.