NORTECH Engineering Corporation Limited,one of the leading valve manufacturer and supplier of industrial valves,with the three manufacturing centers:
(a)Greatwall Flow valve,founded in 1999,one of the leading OEM manufacturer of butterfly valves and check valves for the top valve companies in West Europe and North America ,including the Hattersley(UK),Eriks(Netherlands),Oventrop(Germany),TTV(Spain),Sureflow equipments(Canada),IRS Industrie(Italy),Dorot automatic(Israel) etc.