Mes Kavan Abbas Abad Co. was established in 2007 to exploit copper mines in Mayamey, Semnan province. It has a very modern processing and floatation factory for enrichment of 700,000 tons of sulfide copper ore with 0.5% copper content per year. The area of mines is about 275 square kilometers of which nearly 15 million tons of sulfide copper ore has been explored by now. the whole process from mine to product warehouse is controlled by sampling and testing in a well-equipped laboratory. The produced copper concentrate is mainly exported to China and South Korea.