At that time, the friendship with fellow student Aron Kogan became a society - which lasted until 1960, when Kogan was murdered Waldomiro took over the company.
Nesa época, a amizade co tamém estudante Aron Kogan transformouse en sociedade que duraría ata 1960, cando Kogan foi asasinado e Waldomiro asumiu a dirección da empresa.