wool felt has passed the ISO 9001 certification.The wool felt products are made from raw wool. Wool felt is used as Oil-Filter, Seals, Pads and Gaskets in mechanical machine,Chemical industries,Electronics, Home Appliance, Textiles, Vehicles, Shipbuilding,Army products,Energy Sources, Electrical Wires, Minerals, Construction Industry and non-ferrous metal industry. Also have the function for Oil- ...