Description Available in: HC Oceláři Třinec (Třinec Steelers) is an ice hockey team from Teschen Silesia who play in the Czech Extraliga, the top tier of Czech ice hockey. Their home arena is Werk Arena in Třinec. The team's main sponsors are the local Třinec Iron and Steel Works HC Oceláři Třinec and Werk Arena Třinec. In the 2010/2011 season the team won the Czech Extraliga for the first time in their history.