Our products cover all sorts of membrane. For example:PP,PES,PVDF hollow fiber membrane module(UF)and filter cartridge,NF(hollow fiber) and membrane bioreator(MBR) . Our agency produncts are NF and RO Membrane which are made in china and quality is the same as DOW/GE/Hydranautics but cheaper. our official website is http://www.mainamo.com/eg/index.asp. Welcome to our company and cooperataion with us. looking forward to your reply sincerely Mobilphone +86 159 8887 2475(china mainland) Email tangzhenxiangtongxue at 126.com or 1147770921 at .com