We are major manufacturer and exporter of PP Filter Yarn in Shanghai, Shanghai, China. We use 100% Polypropylene material for producing pp yarn, not mix with some other materials.So quality is good and pure. Our filter yarn can be widely used for chemical industry, petrochemical industry, electronic industry, food industry, medical industry, water treatment industry, nuclear energy, electric power and so on. Our filter is non-toxic, tasteless, acid-proof and alkalis-proof. .Our produced pp yarn for filter cartridge are mostly 0.5g/m, 0.8g/m, 0.9g/m, 1g/m, 1.1g/m and 1.2g/m, we also can produce pp core and filter cartridge (size: 10'', 20'', 30'', 40'' and 50'') by ourselves.