https://absi.kz/en/portfolio/technology-of-hydrometallurgical-processing-and-enrichment-in-the-processing-of-polymetallic-raw-materials/https://absi.kz/en/portfolio/the-technology-is-pyrometallurgical-processing-refining-of-rare-earth-and-precious-metals/https://absi.kz/en/portfolio/selection-development-delivery-installation-and-commissioning-of-industrial-equipment/https://absi.kz/en/portfolio/solving-problems-of-heat-treatment-of-various-materials-drying-firing-heating-melting-sintering/https://absi.kz/en/portfolio/industrial-gas-purification-systems-from-hydrogen-sulfide/https://absi.kz/en/portfolio/systems-for-transporting-and-storing-chemically/