The plant, to be located in Targovishte municipality in northeastern Bulgaria, will create 49 new jobs, the ministry said in a statement on Monday.
According to the statement, the plant will have an annual production capacity of 10,000 tonnes of rock wool insulation made from basalt.
Targovishte-based Rock 7 was established in 2018, according to commercial register data.
(1 euro = 1.95583 levs)