... Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, etc We can produce various kinds of nanoscale oxide ... as 80nm and 100 and so on. - Direct Zinc Oxide 99.5% ~90%, etc. - Indirect ZnO: 99 ... Oxide Grades : Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, ...