Fangyuan Multi-deck High Frequency Screen yog dav siv hauv kev npaj thee, hlau thiab tsis yog hlau zoo-grained tshuaj ntsuam.Lub tshuab tshuaj ntsuam tau txais kev tiv thaiv corrosion thiab hnav-resistant kev kho kom muaj kev hnav tsis kam thiab tiv thaiv corrosion ntawm cov cuab yeej thiab ua kom lub neej ntev ntawm cov khoom siv.
