This product has the merit of steady functoon, anti-blasting,  wear resisting, stronghead resisting the size of product is uniform, damming the impurities very well, solving that problem that quartz sand is easily broken and muddy and come out SiO2 and leave over liquid coal. It is widely used. Single-floor or second-floor filter pool. Machinery filter. It is a kind of better filter which cope with dirty water in industry ,water forindustry, running water and polluted water in city. |