Quadro is the leading manufacturer of curtains for baggage carts in the commercial avaition business. Engineering and quality have always been a priority in Quadro curtain closures. Only materials of 1st class quality are used in curtain production. Quadro works directly with the OEM manufacturers of trailers to engineer the product for their application. Heavy duty industrial sewing machines are also used in closure manufacture. Other products used in the aviation industry are also available from Quadro. These consist of PCA ducting, vinyl doors for baggage tractors, commissary truck doors, hand rail bumpers, etc.