... series), fine filter(JML series), fibre active carbon (HML series), sodium-ion exchanger(SNJ-3), hollow fibre super-filter (CL series), ultraviolet sterilizer (ZM series ... remove heavy metal such as mercury,lead,cadimium,zinc,iron,manganese and Chromium,and hydrogenate,sulphide,small ... the substance in liquid is seperated,concentrated. RO series of reverse osmosis device The reverse osmosis device is ...