various purity via high productivity General grade, Ceramic grade, Enamel grade we are industrial corporation with ... productivity, both direct and indirect processing method in industrial and feed grade. We can produce 150mts/15 days, 300mts/month, and ... %,98%,99%,99.5%, 99.7%, 99.8%, 99.9%Feed grade: 72%, 75%,78.6%