Traditional Czech window
and door manufacturer since 1994

Certifications earned by RI OKNA

Czech windows Certificate of origin This document certifies that all technological operations occurred in the Czech Republic in compliance with applicable standards and regulations. This certificate is granted by the Czech Window & Door Manufacturers Association.
ISO 9001 Management System Certificate, attesting to constantly high production quality.
ISO 14001 The company's environmental management system is a guarantee of the company's environmentally responsible behavior.
ISO 45001 The occupational health and safety management system minimizes the risk of damage to the health of employees.
ISO 50001 Systematic optimization of efficient energy management and reduction of energy intensity.




ISO 9001     ISO 14001     ISO 45001     ISO 50001