Series of internal conferences of RAYAB (15 February 2024)

The best article of the RAYAB’s internal conference on the role of owner, consultant and contractor in PC and EPC projects

Upgrading the content of Ray Ab website in English and Arabic international languages

Meeting of Committee of the 6th Tehran water treatment plant (December 8, 2023)

Meeting of committee of the earthquake-resistant emergency steel tanks (December 6, 2023)

Council of Managers: Meeting No.103 (Dec. 5, 2023)