Industries include machine tools, vehicle factories, oil refinery, petrochemical complex, food processing, cement, textiles, electric equipment, and sugar milling. Oil and gas pipelines run through the region. Wool, carpets, and metal ware are also produced. In some factories and major companies in Azerbaijan include: Iran Tractor Manufacturing Company: is a tractor manufacturing company with headquarters in Tabriz. Iran Tractor Manufacturing Company is currently exporting 13 different products to ten countries. and has qualified for ISO 9001, and has also received rewards regarding quality and exporting. Goldstone Tires: operating under the brand Goldstone Tires is an Iranian tire manufacturer for automobiles, commercial trucks, light trucks, SUVs, race cars, airplanes, and heavy earth-mover machinery in Ardabil. Artawheel Tire is currently the largest non-government owned tire manufacturer in Iran by marketshare. The company currently has agreements with Iran Khodro to develop tires for the Peugeot 206 Models Mashin Sazi Tabriz: which is also called by its abbreviation MST, is a Machine tool manufacturing factory in Tabriz. The major products of the factory are machinery tools such as turning machines, milling machines, drilling machines, grinding machines. Rakhsh Khodro Diesel: is an Iranian truck manufacturer established in 2005 and located in Tabriz. This company is strategic partner of Kamaz of Russia, JAC and Jinbei of China and Maz-Man of Belarus and produces Kamaz trucks, JAC light trucks and its own designed minibus. Its headquarters is in Tabriz. Iran Khodro: is the leading Iranian vehicle manufacturer, with headquarters in Tehran. The company's original name was Iran National. In addition to Tehran, largest car factory in Iran have 5 automobile factories throughout the Iran. and "Iran Khodro - Tabriz" have produces capacity 61,000 Bardo Pick-up in year. Tabriz International Exhibition Center: which is a complex with vast exhibition infrastructures, is located in the eastern part of Tabriz. It holds tens of exhibitions based on a yearly schedule. There are 46 exhibitions scheduled for the current Iranian year. The most famous fair is TEXPO, which is a general trade fair. Aras Free Zone: is situated in East Azarbaijan province, in the north-west of Iran, adjacent to Nakhchivan Autonomous Republic, Armenia and the Republic of Azerbaijan. Existence of the greenhouse town in the AFTZ, which has been built upon cooperation of Agricultural Jihad Ministry, has paved the ground for presence of investors in the arena of planting hydroponic products. The 500-megawatt combined cycle power plant project which is currently underway in AFTZ as a joint investment venture with foreign parties. and other major petrochemical companies, oil refineries and industries are including Machine works Company of Tabriz, Iranian Diesel Engine Manufacturing (IDEM), Tabriz Oil Refinery, Tabriz Petrochemical, Copper Mine Songon, etc. Maku Free Zone: is situated in West Azarbaijan province, in the north-west of Iran, adjacent to Turkey.