Zakłady Magnezytowe "Ropczyce" S.A. is the largest manufacturer of ceramic refractory materials in Poland and one of the largest manufacturer of ceramic refractory materials in Europe.

Ropczyce - Zakłady Magnetyzowe

Józef Siwiec - president of the management board, managing director
Mr Siwiec has been involved with ZM Ropczyce since 1979. He worked as a technologist, production foreman, production department manager, managing director. In the years 1992-2000 he was a member of the Company’s management board, and since 2000 he has been holding the position of the president of the management board.