Folding bellow cloths produced by PTO are worldwide employed as flexible gangway systems for busses, trams, high speed trains, undergrounds and at airports. No matter what country Germany, France, China or India, folding bellow cloths have to meet the highest requirements everywhere. Vehicles are getting faster and faster and demand fabrics with very good dynamical and mechanical properties that fulfill these new requirements. A good fire resistance, a low smoke gas density, a high resistance to UV, climate and abrasion as well as brilliant colours and product longevity are needed, too. Also very important is a good workability at our customers´ what PTO is known for worldwide.