NEWS “West Tehran Sanitation Project” was visited by Managing Director of Tehran Sewerage Co.On August 2, 2018, Mr. Bakhtiari, Managing Director of Tehran Sewerage Co., visited Waste Water Transmission Tunnel project comprising: Segment Manufa... Announcement: General Mechanic Company has been changed to a “Public held Co.” and was accepted in Second Market of Iran Fara Bourse (IFB)Karaj Qazvin Track laying Railway Project ..Annual and Extraordinary General Meetings