Tested by quality supervision bureau of Xian city, our "Jiuju" ferric oxide red series are in accordance with the standard of GB1863-1989. Ferric oxide red series include H101, S130, H190, H190D, H190A, and H190D series are deep color type for chemical fertilizer and building purposes. Now, our ferric oxide red series are widely used in paints, coatings, rubber, chemical fiber, plastics, precision machinery, optical glass, high grade alloy steel, etc, they are also being used in pharmaceuticals, chemicals, glass, ceramic, color tile, encaustic brick, terrazzo, chemical fertilizer and construction field.