... excellent service, 3.ISO and SGS passed Desulfurization Filter MeshDesulfurization filter mesh is made with special first quality yarns ... stability and long running life. Advantages of PFM desulfurization filter mesh are among others: strength, flat surface, good ... gypsum slurry,industrial wastewater,urban sewage.2.Mine smelting:Copper concentrate,golden deposit,ilmenite,filtered oreremainder,red mum, ...