Thin layer polymer modified asphalt ــــ Firouzkooh-Damavand
Polymer modified asphalt overlay and hot in-place recycling of Kamalshahr - Abyek road
L1-L2 bridge -Asaluyeh
Civil structure for sweetening unit of Boushehr petrochemical complex ـــ Asaluyeh
Substructures of Mianeh-Ardebil railway part 3B ــــ Ardebil