In 1987, Libra, an electrosteel company belonging to the Carbomil group, was created to produce 75% Ferrosilicon, formed by the mixture of 2 minerals, quartz and hematite (iron ore) in a submerged arc furnace.
Today, Libra also produces ferroalloys and inoculants and is constantly expanding its markets, both nationally and internationally, in the raw materials segments for industries, contributing to regional development and growth.
Ferrosilicon and its alloys are essential and widely used drawing materials in the steel and cast iron industries and are used as an important deoxidizing material. Furthermore, it is used as a bud or sprout in the molding industry.
With quality guaranteed by the ISO 9001:2015 certificate, Libra is committed to its customers and, as it is an energy-intensive activity, to constantly improving its operations to save energy and reduce greenhouse gas emissions, all with minimal impact on natural resources.

Libra Ligas fulfills its obligations with sustainability and socio-environmental responsibility issues, carried out in partnership with the municipality of Banabuiú, through the Department of Education, an Environmental Education Project in Basic and Secondary Schools I and II.
Knowing the importance of a good education for children and young people within the school environment, we can see the importance of the existence of the Libra Leagues Environmental Education Project – PLLEA in Schools in the municipality of Banabuiú – CE, the actions are aimed at early childhood education students, elementary education I and elementary education II, covering the 14 (fourteen) schools in the Municipality.
With the aim of interaction between employees, community and students. The importance of such an initiative is observed, considering that Environmental Planning is a study that aims to adapt the use, control and protection of the environment, providing a better quality of life and actions aimed at this improvement.