RING-O阀RING-O截止阀RING-O闸阀RING-O球阀RING-O阀门制造公司成立于1979年,专注于设计和生产的闸阀、截止阀和止回阀等。RING-O®inProduction:Asoilandgasproductionprojectscontinuetopushintodeeperwaters,valvesdesignedanddestinedforthisapplicationmustshowaprovenhistoryofoperationalintegrityandexcellence.Since1999,whenCameronestablishedaleadershippositionintheDeepStarStudy*,therehasbeenanon-goingdemandforCameron’sRING-O®ballvalvesforthiscriticalserviceapplication..联系人：吴萃真电话：13524520301QQ：576539997邮箱：576539997@***.com)