National Metro Train, The basis for the development of metro fleet of Tehran metropolis

According to Article 54 of the Law of the Sixth Development Plan and through the contract concluded between the Vice President of Science and Technology and Tehran Municipality in 1998, designing and manufacturing processes of national metro trains were put in the agenda; the share of the manufacturing metro components by local companies was targeted at 85% in the project and it saves on mass production and reduces the cost of manufacturing metro cars.