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Established in 1971, in Rio de Janeiro, the CEULIN GROUP currently comprises five companies managed in an integrated manner: AWANTT PRIME (Portugal), RICOS ENGENHARIA E ARTEFATOS DE CIMENTO (Brazil), RSM SERVIÇOS (Brazil), ARTEFATOS DE CONCRETO SÃO MIGUEL (Brazil) and MAQ-VALE (Brazil). The Group has more than 400 employees, including staff and third parties.