... purity via high productivity, both direct and indirect processing method in general grade, Ceramic grade and enamel . We can produce 150mts ... we also have stocks and controlling 3 factories which famous in Guangxi province, China.Min. order quantity: 22MT for 20'FCL ... and feed grade80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, 99.9%