 4 more factories were opened in the 1970s, including the "Lizin" chemicals plant in 1974, the "ArmAuto" metal structures and goods plant and "Bjni" water bottling plant in 1977, and the knitting plant in 1978.Several products of Charentsavan were delivered to the republics of the Soviet Union.With the industrial growth of the town, the population had grown as well to reach up to 25,000 by the end of the 1970s.