 The situation improved only after 1920.In 1920–21, the industrial production was at the 12% level of that in 1913, but by 1925–26 it recovered to 93% and in 1937 reached 700%.New giant plants were raised in Magnitogorsk (1932, iron and steel production), Bereznikovskiy (1932, Chemistry), Sverdlovsk (1933, Heavy Machinery), Chelyabinsk (1933, tractors), Solikamsk (1934, potassium), Krasnokamsk (1936, pulp and paper), Novotagilsk (metallurgy) and others.