UNESCO invites you to submit the offers for the Request to Quotation Ref.: UNESCO-UA-172 Materials for stone restoration. Tender documents, including  technical description, financial request, and tender conditions are available upon request. Please send your request for the tender documents to [email protected]. You are invited to send your quotation, offering your best prices and conditions, to  [email protected]  by 16:00, 23.07.2025, Kyiv time.