Water purification better than€ the national "drinking w ↓ater health standards" (G'<©B5749-85), where®↔™€in the microorganism, turbidity and ot¶£♥her indicators can be ac®÷hieved "Drinking Water Q'£uality Standards" &#π™&40;CJ94-1999), and ✔Ωretains the beneficial trace elemen£↔€ts in the water.