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.
| 1971 | beginning of the plant construction |
| 1975 | start of the production |
| 1978 | accomplishment of the full manufacturing capacity |
| 1992 | transformation of the state enterprise in a single-owner joint-stock company of the State Treasury |
| 1995 | contribution of the Company’s shares to the National Investment Funds |
| 1997 | obtainment of the ISO 9001 Certificate |
| 1997 | début in the main market of the Warsaw Stock Exchange |
| 2001 | creation of the Capital Group |
| 2003 | obtainment of the ISO 14001 Certificate |
| 2005 | accession to the UkrIndustry Consortium |
| 2006 | obtainment of the PN-N-18001 Certificate |