RO Membrane, UF Membrane, Mbr Membrane manufacturer / supplier in China, offering Bw2540 Reverse Osmosis Membrane for Brackish Water Treatment Plant, Bw 8040 for Water Treatment High Pressure Brackish Water RO Membrane, 4X40 Reverse Osmosis Membrane Element for Tap or Brackish Water Bw-4040 RO Membrane and so on.