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Manganese sand is a strong oxidant that can oxidate the bivalence iron to purify water.

The strong oxidant on the suface of the natural manganese sand can catalyze the bivalence iron to trivalence as sediments.

Natural manganese sand is widely used in the petroleum, chemical textile, paper and electronics industries,as well as the iron-purificant of the city's drinking water.

NO.	Name	Fe/mg	Mn/mg	Fe-Mn/mg
1	Drinking Water	0.3	0.1
2	Brewing Water	0.1	0.1	0.1
3	Food Industry	0.2	0.2	0.2-0.3
4	Carbonated Drink	0.2	0.2	0.2
5	Oil Field	0.5	0.5	0.5
6	Coloration Industry	0.05
7	Bread Industry	0.2	0.2	0.2
8	Linsey-Woolsey Industry	0.25	0.25	0.25
9	Boiler Water	0.3	0.3	0.3

Please apprise us the size and quantity.