SPIRO INTERNATIONAL SA - world leader in the development and manufacture of machines for the production of round ducting and fittings in sheet metal, mainly for the ventilation industry. Supplier of fittings
Professional Price Spiral Pipe Forming Machine,spiro Ventilation Equipment Air Duct Pipe Duct Making Machine - Bending Machinery - AliExpress
How This Low-Cost Ventilator Got Into New York Hospitals in 30 Days