Partially Fluorine contain P E M Tech-Index rang：
     Maximum size ：  200mm×400mm；or 200mm×2000mm
     Thickness rang： 30～100μm
     E W value：      400～800

P E M types：
      Momo-material membrane,

      Complex membrane strengthen with PTF-membrane 、

      Complex membrane strengthen with mixed polymer,

      Complex membrane strengthen with fibre.