Crenna Plåt Crenna is Sweden's biggest producer of rectangular channels and has the widest selction of silencers in the market.Find us in MjärdeviAddressTeknikringen 1058330 LinköpingBuilding:Mjärdevi CenterEntrance:T10Stairwell:Mjärdevi CenterFloor:10 Contact Niklas Hyttsten - CEOniklas.hyttsten@crenna.se0171-47 80 52 Visit our Homepage