OPAZ Floats Tender to Establish Cold Chains Economic Cluster in Duqm Duqm, 10 Mar (ONA) --- The Public Authority for Special Economic Zones and Free Zones (OPAZ) has invited specialized and experienced companies to contest a consultancy services tender for establishing a cold chains’ integrated economic cluster project that the Authority intends to establish at the Special Economic Zone in Duqm. OPAZ set the 18thof March 2025 as the deadline for purchasing tender ...