1) Professional manufacturer 2) Size:16,25,38,50,76mm 3) ISO 9001:2008 4) PE,PP,RPP,PVC,CPVC,PVDF Plastic Pall ring most suited in low pressure drop, high capacity applications, lpw mass-transfer unit height ,high flooding point ,uniform gas-liquid contact ,small specific gravity,high mass transfer efficiency and so on . Performance:Good Capacity and Low Pressure Drop Higher capacity and lower ...