View Larger Image View Larger Image View Larger Image View Larger Image Petroleum oil refinery NISBoris2019-08-12T14:32:09+02:00Petroleum oil refinery NISSerbiaMaintenance – Mechanical, Electrical, Steel structure, Civil works – Annual Maintenance ContractProject DetailsCategories: Oil & GasShare This Story, Choose Your Platform!FacebookXRedditLinkedInTumblrPinterestVkEmail Related Projects AD Nafta Gazprom Neft