What is the approximate cost composition of iron and steel enterprises?

The approximate pre-tax cost composition of iron and steel enterprises is: 5% of iron-containing raw materials such as ore and scrap steel; 15% of fuels such as coal and natural gas; The manufacturing cost is 1%; Depreciation, finance fees and amortization 13%; 4% of metallurgical auxiliary materials such as limestone, fluorite and dolomite refractory bricks; Labor cost and other 8%. Just ask questions and don't confirm that the Buddha is not forgiving!