Production at Huta Królewska stops December. 270 workers offered jobs elsewhere in firm. Closure ends long tradition despite company efforts. External factors like high energy prices doom plant. Installations too old for safe affordable upgrades. Plant makes under 1% of total output. Recent 30 million zł investments failed to save it. Sought investor or joint venture without success. One Dąbrowa Górnicza blast furnace already halted. EU ETS costs hit European producers hardest. Company Poland's largest steelmaker with 9,000+ employees. Huta Królewska dates to 18th-19th century Königshütte origins.