Yuejiang Brand-Indirect method zinc oxide 99.7% is made in advance ammoniation method and calcination method, it is white powder, stable in room temperature, has good hiding power and tinting power. insoluble in water etc. used in printing & dyeing, rubber, coatings, pharmacy, printing ink, cables, electronics, coinage, enamel, match, chemical engineering, cosmetics, phosphorization liquid, electronics laser material, phosphor, catalysts, manufacture of magnetic materials etc..