Zhejiang Jiefu Environmental Protection Technology Co., Ltd. is a high-tech company specializing in the research, development, manufacturing, engineering application and marketing of filtration, separation, purification materials and products. Since its establishment, it has always focused on the R&D and promotion of a variety of new filtration and separation materials and products, polymer separation membrane materials and equipment. Its Jiefu JEFFEL brand is committed to the treatment and reuse of municipal sewage and industrial wastewater. Relying on the technology of "Zhejiang University Membrane and Water Treatment Center", the "Academician Expert Workstation", with Academician Gao Congyi as the academic leader, has a technical research and development team mainly composed of doctors and masters, and has obtained extensive applications in wastewater treatment and reuse, water quality purification, solution concentration, extraction and recovery, liquid degassing and other fields, meeting users' requirements for water filtration Multiple requirements for phase separation.