Arako. S Ro Is The Czech Manufacturer Of Industrial Valves For The Energy, Chemical And Petrochemical Industries. It Builds On The More Than Sixty Year Tradition Of Developing And Manufacturing Valves In Opava, Coupled With The Concern Sigma And Now Minerva. Since 2007 The Company Belongs To The Russian Holding Atomenergomash, Engineering Division Of The State Corporation For Atomic Energy Rosatom .