... to blow molding manufactory ,and adopt high performance epoxy resin and fiber glass twisting shell , using importing micro-computer ... Stainless steel tank, water softener, household water purifier, industrial water filter, RO and UF membrane housing, RO system, Accessories (valve, ... Can also use the FRP (GRP) lining, High-performance resin and glass fiber reinforced molding, Working Pressure≤0.6Mpa, ...