... market, we develop and design the PP melt blown filter cartridge production line.Adopting PP(polypropylene) material,it’s passed ... forming machine,cuting many kinds of tubular melt blown filter cartridge.it has many feature like high precision of filting, ... oilfield and chemical, pharmaceutical, electroplating, printing, paint, photographic studio, fuel, beer, beverages and so on,it also used to filt ...