Any following business line, cooperation can be negotiated: (1) Depth filter: PP Melt blown, String wound, Active carbon; (2) Pleated filter: Polypropylene, Glass fiber Pleated, High flow pleated; (3) Membrane filter: PES/PTFE/PVDF/Nylon media; (4) Hollow fiber UF membrane; (5) Residential/ Commercial RO membrane 50-500 GPD, 4040, 8040; (6) Residential/Commercial/Industrial RO water purifier system; (7) Customized products.