Business Our strengths Offer Purchase process MAY PROMOTION 5% for balcony railings cookies privacy policy ZLEM is one of the most famous companies in this industry. It is a manufacturer of solid and elegant stairs, highly appreciated by its customers. It sells its wooden and metal stairs not only in Silesia, but throughout the country. ZLEM is a family business where professionals are able to create any staircase according to the most sophisticated ideas of the client. We invite you to view our projects and start cooperation.