Reverse Osmosis Membrane Element, RO Membrane, Acid Resistant Membrane manufacturer / supplier in China, offering 99.7% Salt Rejection Premium Water Purifier RO Membrane, Advanced Psi PRO-Xfr-8040f34 RO Membrane for Optimal 12000 Gpd Performance, High-Performance Large Flux Seawater RO Membrane for Salt Rejection and so on.