
Patent for the invention of tea juice ultrafiltration 
Patent for stainless steel ultrafiltration membrane 
Patent for submerged ultrafiltration 
Patent Certificate of Membrane Bioreactor 
Patent of hollow fiber membrane 
R & D center certificate 
Patent of ultrafiltration 
National High-tech Enterprise 
Ultrafiltration Membrane Patent 
Patents for Membrane Separation Devices 
Patent of Ultrafiltration Membrane for Electrophoretic Pai... 
Patent of Ammonia Nitrogen Separation Membrane 
Patent of Ammonia Nitrogen Separation Membrane Device 
MBR- patents -3 
MBR- patents -2 
MBR- patents 
Gas Separation Membrane Patent 
Degassing membrane patent 
CCTV shooting -2 
CCTV shooting






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