The International BALKANMINE Congress Coordination Committee and the Romanian Organizing Committee of the 9th BALKAN MINING CONGRESS are very pleased to cordially invite all the scientists, researchers, managers, engineers and students working in the mining field, from the Balkan region and from all over the word as well, to give their scientific contribution to the success of the 9th BALKAN MINING CONGRESS which will be held during 8th-9th of May 2025 in Petroşani, Romania, with the theme „SUSTAINABLE MINING – THE KEY OF THE FUTURE DEVELOPMENT”.