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.
OHSAS 18001 The company's occupational safety and health system minimizes employee health and safety risks.




ISO 9001     ISO 14001     ISO 18001