Polyester paper forming screen 1.good quality and price 2.with over 10 years ... available. 2.needle felt sieriesMade of polyester,polypropylene,acrilic,PPS,fiberglass,PTFE,P84,Nomex3.dust filter bag sieriesMade of needle felts ... ),the filtering precision can reach 1micron. 5.other filter matierialsIncluding screen mesh,conveyor belt,filter cartridge etc. We are prefesional manufacturer ...