various purity via high productivity General grade, Ceramic grade, Enamel grade we are industrial corporation with strong competitive power to ... both direct and indirect processing method in industrial and feed grade. We can produce 150mts/15 days, 300mts/month, and ... Terms: T/T as sight or L/C. Industrial grade:80%,85%,90%,92%,95%,96%, 97%,98%,99%,99 ... .5%, 99.7%, 99.8%, 99.9%Feed grade: 72%, 75%,78.6%