With the "iron and steel industry adjustment and upgrading Plan (2016-2020)" to continue to promote the new speed of steel production capacity, the key area capacity replacement program has been implemented, steel production capacity began to reduce the replacement, the next years and a 10 million tons of pressure reduction, environmental protection production restrictions subregional, sub-enterprise dynamic control continued to improve, It is expected that the production capacity utilization rate of blast furnace and an electric furnace may be further improved, and the output of pig iron and crude steel remains slightly increased year-on In 2019, raw material prices will change with the regulation of policies and the actual needs of society, and we will update them in time.