The X50/80 elastic wastewater treatment hollow fiber membrane components produced by the KaiJie Membrane in August 31, 2010 according to the requirements of the State Administration of quality supervision, inspection and quarantine, and accept the supervision and inspection. Inspection report number: HSZJ<2010>270-1; HSZJ<2010>270-2; Kaijie membrane production of X50/80 elastic sewage treatment of hollow fiber membrane modules all supervision indicators (such as pure water flux, bubble point pressure, maximum aperture, leakage etc.) are far superior to the standard indicators, all indicators are all qualified.