April 1 (SeeNews) - Bulgarian lead and zinc smelter OTZK said on Thursday it sees its sales revenue rising to 150.5 million levs ($103.8 million/77 million euro) this year, while lead output is seen at 21,000 tonnes and zinc output at 21,500 tonnes, both lower on the year.
Jun 10, 2026
BucharestJun 30, 2026Marrakech
