Goal Gohar Company decided to build three concentrate production lines of 6 million tons per year to increase its production capacity. For this purpose, at the beginning of 2015, 4 million tonnes concentrate production lines, including two similar processing lines, each with 2 million tonnes per year, were added to the production capacity. It has provided suitable proportions and percentages of sulfur. Line 7 of concentrate production with a capacity of 2 million tons was commissioned in October 2016. More than 260 people are directly employed in these plants.

Since June 1986, the contract for operation, maintenance and repairs, as well as purchasing and supplying parts of this complex has been made by Sirjan Company.