... ,acid-resisting,alkali-resisting 3.usage:chemical plant,river sludge treatment About the product: The product is manufactured of ... is widely used in chemical plant ,coal washing,river sludge treatment and so on and praised.PP filament filter ... Amy CaiTel :+86 15800961663Msn:caijing_love#msn.cn(pls change # into @) (Sludge treatment equipment) PA monofilament filter cloth for press filter equipments