Jastrzębska Spółka Węglowa is a Polish coal mining company based in Jastrzębie-Zdrój, Poland. Founded in 1945, it is one of the largest coal producers in Europe, producing
Jastrzębska Spółka Węglowa is a Polish coal mining company based in Jastrzębie-Zdrój, Poland. Founded in 1945, it is one of the largest coal producers in Europe, producing