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ÜSTAY, started its new works under the Call Off Contract Framework Agreement that was signed with TÜPRAŞ.
Üstay started new works in İzmir, Aliağa and İzmit Refineries under The Call Off Contract Framework Agreement that was previously signed between Tüpraş and Üstay. This agreement is valid for 3 years and covers the detailed engineering, procurement, construction, assembly and commissioning works of various investment projects and programs including Tüpraş's İzmit, İzmir, Kırıkkale and Batman refineries and all other facilities
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