With strong technical strength and rich project experience, ENFI has projects designed and completed throughout China. Through technical development, application to projects as well as digestion and upgrading of the introduced technology, ENFI has mastered several technological expertise such as the oxygen bottom-blowing smelting process, copper-nickel flash smelting, oxygen-enriched top-blowing smelting process, pressure leaching and extraction, as well as fluidized bed roasting of sulfide ores. ENFI were not only granted with awards such as national, provincial and ministerial science & technology progress award and excellent design,  but also has copper, lead, zinc, cobalt, and nickel smelting technologies successfully promoted and applied to overseas projects. ENFI enjoys a reputation among international engineering companies.