Project construction location: European Manganese Industry, Hvaletice Town, Pardubice Oblast, Czech Republic; Construction scale: annual output of 47,500 tons of high-purity selenium-free electrolytic manganese metal; Project features: The manganese content of raw materials is only 7.08%, and the soluble manganese rate is low. Process flow: The classic process flow of pulping, leaching and iron removal, purification, electrolysis, washing, drying, product stripping and packaging is adopted.