In order to fully reflect the domestic low-carbon aluminum market price, objectively, truly and timely reflect the supply and demand situation of China's low-carbon aluminum market, and find the changing law and reasons of the benchmark price of low-carbon aluminum, so as to provide a reference basis for the scientific decision-making of low-carbon aluminum industry enterprises, research institutions and government departments. After a period of precipitation and market research, SMM plans to release the benchmark price of SMM low-carbon aluminum from December 27th for market reference.