Concrete Structure Void Forming Tubes

We are a reputed member of ISHRAE (Indian Society of Heating, Refrigerating and Air Conditioning Engineers) and ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers). GP Spira Duct Pvt. Ltd. was incepted in the year 2000, as a promising manufacturer, exporter and supplier of various Ducting such as Round Spiral Ducts, Duct Fittings, Spiral Flat Oval Ducting, Plan Flat Oval Ducting, Rectangular Ducting, Textile Ducting, etc. These products are wid