... price (4)Timely delivery I. We are manufacturer of ferric oxide,iron oxide,oxide of iron,red ocher, Diiron ... materials. II. ferric oxide,iron oxide,oxide of iron,red ocher, Diiron Trioxide,Fe2O3,our advantages ... spefications. III. ferric oxide,iron oxide,oxide of iron,red ocher, Diiron Trioxide,Fe2O3 usage:It ... is mainly used as a dye or colorant in various industries such as ...