1980 - Furnaces # 4, 5, and 6 start the production of Silicon Metal in 1980, 1984 and 1989, respectively.
2001 -The Rima Group takes control over the “Capitao Eneas” plant and becomes the largest silicon metal producer in Brazil and the fourth in the world.
- The Diecasting Division is formed to supply magnesium diecasting parts to the automotive industry.
2006 - In this year, the Rima Group reinforces its strategy of vertical integration by investing heavily on its Mining Division (search for new reserves of quartz and dolomite) and the Forestry Division (development of eucalyptus clone saplings and charcoal production).
2007 - In 2007, the Rima Group establishes itself in the automotive industry by creating an assembly unit for automobile engines. This step follows the company culture of adding value and technology to its products.
- In March of 2008, the Rima Group became the first company in the world in the mining and metallurgy segments to have a project approved for the sale of carbon credits. This project was approved by the United Nations Organization and removes approx. 35.000 tons per year of CO2 from the atmosphere, i.e., the equivalent of planting 350 thousands trees per year.
- Continuation of investments in new charcoal production technologies and utilization of biomass energy.
- The Technology of Solar Grade Silicon is developed, a high value-added product..
2008 - The Rima Group implements in the city of Bocaiuva a new unit to melt and diecast aluminum, becoming one of few diecasters producers in the world with the flexibility of supplying both magnesium and aluminum diecasting parts to the automotive industry.