Our supplier portal strengthens collaboration and simplifies processes. Submit your company information, complete required documents, and manage your registration.
Log in with your Promena credentials to access the supplier system and update your information.
Supplier LoginRegister as a new supplier. Companies meeting criteria can join our approved supplier pool.
Register NowFor system-related questions, use the Promena “Live Chat Bot” feature or contact us at:
vendor.management@karadenizholding.com