... high productivity, both direct and indirect processing method in general grade, Ceramic grade and enamel . We can produce 150mts/15 days, 300mts ... which famous in Guangxi province, China.Min. order quantity: 22MT for 20'FCL;Packaging: 25kg/bag or as buyer's sightDelivery ... C. indirect method and direct method zinc, industrial and feed grade80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, 99.9%