filter 1.Mainly use: Polyester, oil, paraffin wax, sulfur chemical products, Medicine, water and air filter 2.ISO 9001-2008 Introductions:Multi-layer metal layers of metal net is sinter woven mesh, through special laminated suppression and vacuum sintering process, high mechanical strength and rigidity structure is a new kind of filter materials. Each layer of the screen mesh interlaced, forming ...