... OEM PTFE, Teflon Nonwoven Fabric, Felt, Filter Cloth Introduction: We are one of the pioneer manufacturer ... filter bag & cloth, oil & water repellent (PTFE coated) filter bag & cloth, PTFE membrane filter bag & cloth; also we ... the fluid filtration. Its holding, collision, adsorption and other mechanism are alike the principle of gas ... accordingly Teflon, Teflon Nonwoven Fabric, Filter Cloth And Felt