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Plateandstripcoldrollingmillisimportantequipmentinmetallurgyindustry.Asonekindofthem,.Theycanberolledintostripsandcoilsbasedontherequirementsofprocess.Magnesiumalloycoldmillshavevariousclassifications.Accordingtothequantityofrollers,theycanbeclassifiedintofour-highcoldmillsandsix-highcoldmills.Theyalsocanbedividedintosmall-size,medium-sizeandlarge-sizemillsbasedonspecification.Four-highmillsofmagnesiumalloycoldrollingmillwhichwereputintoproductionwerepredominantatthattime.Whilethemaininternationalproductsareupdatedtosix-highcoldmillsatpresent.
Astheearlierenterprisethatproducedmetallurgicalmillsathome,NHIhasprovideddozensofcoldrollingmillforavarietyofcompaniesforyears.Atpresent,NHIcanproducelarge-sizeandmedium-sizemagnesiumalloycoldmillsofdifferentspecifications.In2013,NHIsucceededindevelopingtheworld’sfirsthigh-performanceoutfitwhichisfour-highcoldrollingwiththewidestformatof1650mmandwontheinventionpatent,whichfilledthegapathomeandabroad.Itabsolutelychangedthehistoryinwhichthere
werenostripsbutplatesinthefieldofmagnesiumalloycoldmills.NHIisadomesticenterprisethathasmasteredallthetechniquesofresearchanddevelopment,design,productionandcommissioningofmagnesiumalloycoldrollingmill.Ithasanimportantpositionintheresearchanddevelopmentfieldofdomesticmagnesiumalloyproductionequipment.