... producing that felt. 2.Main usage:leather substrates 3.carpet 4.wool felt 5.geotextiles,highway,railway. nonwoven ... production lineSpecification and Characteristics:Non Woven Needle Punching Production Line, using polyester fiber to produce felt for PU, ... PVC artificial leather substrates (for shoes, bags, garment, etc); carpet, wool felt; Geotextiles (for construction of highway, railway, airport, ...