Kopeysk

Kopeysk (Russian: Копе́йск) is a city in Chelyabinsk Oblast, Russia, located southeast of Chelyabinsk. Population: 147,806 (2021 Census);[8] 137,601 (2010 Russian census);[3] 73,342 (2002 Census);[9] 79,048 (1989 Soviet census).[10] The population growth between 2002 and 2010 was caused by the annexation of surrounding settlements. Prior to 1928, this city was called Ugolnye Kopi, meaning coal mines (hence the pick on the city's coat of arms). The element "Ugolnye" was removed and the suffix "-sk" was added to indicate the locative.[11] Until the 1990s the main economic sectors were Coal (with mines such as "Capital",Currently, all the mines are closed due to the low quality of the coal and the high costs of production. "Komsomolskaya", "Red Gornyachka", and "Central") and mechanical engineering – Kopeysk Machine-Building plant headquarter, the largest producer of coal and salt mining equipment in Russia, is located in this city. In recent years Kopejsk has developed a diversified economy. The city recorded more than 1,000 industrial enterprises and more than 7,000 private entrepreneurs. Existing companies produce goods such as plastic film, pipes with anticorrosive coating, ceramic proppant for the oil and gas industries, and vegetable oils.