"steel mill", was a contract between the Pahlavi government and a consortium from Nazi Germany. The establishment of the factory Zowb Āhan e Karaj was halted by the beginning of the Second World War, and it was never launched. Šahrak-e Jahānšahr was the first modern private industrial and housing complex of Karaj, built in the 1960s. The factories Jahān Čit (textile factory), Rowqan Nabāti e Jahān (oil factory), and Čāy e Jahān (tea factory), were established at the complex. It is one of the largest industrial zones of the nation, with a 20% share of the national GDP. The special economic zone of Payam, with an area about within the territory of Payam International Airport, was established in Karaj for development of air cargo and postal transportation, cold store, and packing services, as well as perishable and time sensitive exports. It is the only SEZ in the region with the privilege of its own airline. Education Educational and research centers of the city include: University of Tehran (Agriculture and Natural Resources College) Kharazmi University (Karaj Campus) Tehran University of Art (Karaj Campus) Payame Noor University (Karaj Center) Technical and Vocational University (Alborz Province) University of Applied Science and Technology (Alborz Province) Farhangian University (Alborz Province) Alborz University of Medical Sciences Islamic Azad University, Karaj Branch Razi Vaccine and Serum Research Institute Agricultural Research, Education and Extension Organization Materials and Energy Research Center Standard Research Institute Nuclear Science and Technology Research Institute (Center of Agriculture and Nuclear Medicine) Sports Karaj was formerly home of the Persian Gulf Pro League club, Saipa, for several years and this club won its first league championship in this city, however in 2014 the team relocated to Tehran. Currently the only professional football team in city is Oxin Alborz that play in the Azadegan League. The Home stadium of Oxin Alborz F.C. is Enghelab Stadium that located in Karaj Enghelab sport complex and has a capacity of 15,000 people. The stadium held a match between Iran and Indonesia in June 2009. The stadium also held an international match, on May 1, 2012, where Iran's National Football team played Mozambique. Saipa volleyball team lost to Kalleh in this stadium in 2011–12 and became the runner-up in the final match of the country's volleyball premier league. Saipa has won the runner-up title of Iran Super League seven times. One of the international ski resorts of Iran The, Dizin