News and Events
News Date :
TNA Economic activity licence Kish free zone organization More
**ابلاغ قرارداد**
News Date :
TNA was awarded Consulting Services Contract for Phase I, II and III of Surveying and Geotechnical Investigation of Rehabilitation Complex of Pole Zahab. More
**Notification of the project**
News Date :
TNA was awarded Feasibility Study Services (conceptual and detail design) of Passive Defense of Tehran Sewage Utilities. More

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