Industrial production of 1 ton of praseodymium neodymium metal requires the consumption of raw material neodymium praseodymium oxide, electric energy, electrode loss, electrolyte solution, labor and other costs. 1 ton of neodymium praseodymium oxide cannot produce 1 ton of neodymium praseodymium alloy (ie, Praseodymium neodymium alloy), which is about 1.2 -1.3 tons....