various purity via high productivity indirect method and direct method zinc ... corporation with strong competitive power to provide you various purity via high productivity, both direct and indirect processing method in ... stocks and controlling 3 factories which famous in Guangxi province, China.Min. order quantity: 22MT for 20'FCL;Packaging: 25kg ... 92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, 99.9%