Indústrias Nucleares do Brasil (INB) is a Brazilian public company, linked to ENBPar and under the ultimate control of the Ministry of Mines and Energy (MME). It has units in the following states: São Paulo, Bahia, Ceará, Minas Gerais and Rio de Janeiro (where it is headquartered), and is an important element of the Brazilian system of research and development of technologies for the mastery of the nuclear fuel cycle and production. It was a company controlled by the National Nuclear Energy Commission (CNEN).
Indústrias Nucleares do Brasil – INB signed a contract with Internexco GmbH, part of the Rosatom group, from Russia, for the temporary export for processing abroad of up to 275 thousand kg of uranium concentrate (U3O8) produced at the Uranium Concentration Unit in Caetité, Bahia, for carrying out two stages of processing abroad: conversion and enrichment.