China manufacturer of machine tool accessories products, since 1998. (1)structure ofaccordion covering: (1)plus material: nylon cloth or protective cloth (2)support:PVC sheet (3)connecting plate: resin plate ,iron plate (2)resistence: endure high temperatures,oil and cooling fluid the highest temperture: 4000 ' C the speed can up to 200m/min (3)mounting:it can bemounted in either way,intemally or externally or vertically or horizontally. (4)Design parameters for accordion covering: provided by user length after drawing length after compression travel length total width of the bellow guide width height of the guide interior height of the bellow C D D1 Lh L1 L if you have any questions ,pls feel free to let me know ,and my name is violet ,nice to meet you ! we would like to give you a super price to begin the trial order . best regards violet