TRADING PARTNER PORTAL. This website has been created for our Business Partners to facilitate cooperation in handling offers, orders, and managing calendar of appointments. With our platform, you can easily monitor and plan important events and deadlines, allowing you to better coordinate your activities. If you would like to join the ranks of our Business Partners, please feel free to contact us at: biuro@oknoplast.com.pl. We are open to any questions and will be happy to discuss the terms of cooperation.