SOFIA (Bulgaria), July 30 (SeeNews) -Â Bulgarian aluminium products manufacturer Alcomet [BUL:6AM] said that its non-consolidated net profit dropped to 5.5 million levs ($3.1 million/2.8 million euro) in the first half of 2019 from 8.0 million levs in the same period of 2018, following a decrease in revenue.