UF Membrane, NF Membrane, Mf Membrane manufacturer / supplier in China, offering NF membrane 150-300 dalton cross KOCH HP SR3D-HT Elements used for collagen peptides purification, NF membrane 150-300 dalton cross SUEZ Duratherm EXL series used for collagen peptides purification, Micro-Filtration Membrane for casein concentration in dairy industry cross KOCH MFK 618 series and so on.