●Products Introduction：
?The principle of 2-grade hyper filtration device is to adjust the PH-value of water through first grade device, then let second grade high pressure pump delivery liquid into the second grade hyper filtration system to treat and get the cleaned water .At last The desalt ratio of the 1-trade hyper filtration system is over 99.5% It needn't flow through the way of direct exchange　treatment and it can be up to the standards of bottled drinking water(GB1723-1998).