USES: used for analysis reagent, paint pigment and glass raw material inorganic red paint. Coating industry used to make the antirust paint, steel protection coating, rust has good performance. Bo honing industrial used in the manufacture of enamel and optical glass. Ceramic industry used in the manufacture of ceramic glaze. The electronics industry is used in the manufacturing of the piezoelectric element. Battery industry used to battery production. Machinery industry used in metal grinding. Organic chemical industrial used in the manufacture of dyes and organic synthesis oxidant. Can be used for rubber shading. The pharmaceutical industry is used in the manufacturing of the ointment, hard cream etc.