The multi-layer mesh sintered filter cartridge uses the standard five-layer sintered mesh as the main filter medium, made by stacking and vacuum-sintering five layers of stainless steel wire mesh, and can be customized to customer requirements. It offers excellent corrosion resistance, outstanding permeability, high mechanical strength, backwash capability, stable filtration precision, no shedding, and hygienic cleanliness. Suitable for filtering gas and liquid media, especially effective in petrochemical, steel, and chemical industries.