Prebet Aiud (PREB.RO), a manufacturer of precast products made of reinforced and prestressed concrete, ended 2020 with a net profit of RON8.5 million, up 51.4% on the year, and a turnover of RON41.4 million, slightly lower than RON41.7 million in 2019, per calculations by Ziarul Financiar (ZF) based on a stock market report.