Similar to futures, the profit difference will be bigger and bigger. Naturally, some people will make money by refining aluminum ingots with cans, but in fact they won't make much at all.

In our daily industry, the raw material is called aluminum ingot, which should be called aluminum ingot for remelting according to the national standard (GB/T1KLOC-0/96-2008), but everyone is used to it. It is produced by electrolysis with alumina-cryolite.