... 3.excellent wear and tear resistanceNonwoven needle punched Filter bag1)Materials: Polyester, Nylon, PP, PE, PTFE, Nomex, Fiberglass, etc. ... waterproof,nylon nonwoven lining,ping pong hotmelt,dust collector filter cloth and fiter bagsOperational AddressHuaxin Industrial Park, Niancuopu ... , China (Mainland)Number of EmployeesAbove 1000 PeopleNo. of R&D Staff:Above 50 PeopleNo. of QC StaffAbove 50 ...