Qazvin
- Implementation of longitudinal and transverse vibrating grooves in Qazvin province in 2016
- Implementation of vibratory grooves and purchase of traffic items 2019
Diba Omran Tahtar company aims to build and develop our beloved Iran by presenting new designs and with a new look at the process of detecting danger in urban and intercity communication axes, marking roads, lighting tunnels and roads, production and implementation of all traffic signs and construction Traffic control and road safety machines, which help to reduce injuries and damages and traffic, started their activity