Year of 1978
The first concentrate was produced. The initial stage of operation of the Mineral processing plant having an annual capacity of 4 million tons of ore was commissioned.
Year of 1980
The second stage of operation of the Mineral processing plant was commissioned and ore processing capacity made up to 8 million tons.
Year of 1981
Launched the fourth stage of the Mineral processing plant with the development of its annual ore processing capacity up to 16 million tons.
Year of 1989
Launched the fifth stage of operations of the Mineral processing plant with the development of its annual ore processing capacity up to 20 million tons. The overall production reached 1 million tons of copper in concentrate.
Year of 1994
Approved the Strategic Development Concept for 1994-2004 of EMC. The Explosives Plant of EMC was commissioned into operation and suspended the foreign import of high cost explosives.
Year of 1995
Upgraded the technical advancement completely to the flotation equipments of the Mineral processing plant.
Year of 1996
In connection with the Strategic Development Concept for 1994-2004, the resolution No. 05 by the Government of Mongolia was passed to carry out complete technical modernizations over the EMC. Caterpillar dump trucks with load of 136 tons and BELAZ-7512 dump trucks with load of 120 tons were commissioned. EMC started to directly receive electricity from Russia.
Year of 1997
Upgraded Excavators EKG-10 was launched to the transportation at Open Pit mine. EMC produced overall 2 million of copper in concentrate.
Year of 2000
The decision to privatize the currently owned apartments passed by the 29th Board Session of EMC to those employees whose years-of-service were above 15 years for the first time. The second step decision was passed by the 31st Board Session of EMC to privatize the currently owned apartments by the employees in spite of their years-of-service. Rougher concentrate section was launched into operations and the annual capacity to process ore had reached 24 million tons.
Year of 2001
Thanks to a complete technical modernization of coupled section I, the ore processing capacity of the same section reached up to 10 million tons.
Year of 2002
Launched the BELAZ-75145 heavy Dump trucks, with capacity load of 130 thousand tons, for transportations at Vehicle Transport Unit.
Year of 2005
Launched the “LIEBHERR” excavators, with a bucket volume capacity of 18 m3, for transportations at Open Pit mine. “EMC produced 3 million tons of copper in concentrate since its commencement of operation.
Year of 2006
Thanks to a complete capacity achievements of the 5th stage of operations of Mineral processing plant, the designed capacity had been increased by 50 percent, allows processing 6 million tons of ore annually.
Year of 2008
Chained excavator ЭКГ-15, the first in Mongolia , with capacity for loading 15 m3 of ore was launched. Meeting for 30th Anniversary of Erdenet Mining Corporation was held on December 13, 2010.
Year of 2010
Launched the fully replaced Section#3 of which the capacity to process 6 million tons of ore per annum.
Year of 2011
Replaced and commissioned the flotation Section #4 at the Mineral Processing Plant.
Year of 2012
Reached the ore processing capacity up to 26.0 million tons.
Year of 2013
Replaced and launched the flotation Section #6 at the Mineral Processing Plant.
Year of 2014
For the first time in its history, Erdenet Mining Corporation conducted blasting works in 640 boreholes.
Year of 2015
A new expansion of the SAG Section has been put into operation.
Year of 2016
Erdenet Mining Corporation has become 100% national company.
Year of 2017
Thermal Power Plant of Erdenet Mining Corporation has been expanded by turbine generators of 48 MW and became the producer of power energy.
Year of 2018
The 40th anniversary of the company was marked. Income has reached MNT 2 trillion, net profit – about 400 billion tugriks, about 650 billion tugriks were centralized in the state and local budgets which established a historical economical record.