One ton of coking coal is equal to 1.4 tons of power coal, and raw coking coal can also generate electricity, and each ton of coking coal can be converted into 1.4 tons of power coal.

The main cost of coke is that coking coal is mixed with all kinds of disorderly coal. It takes almost two tons of raw coal to wash out one ton of coking coal, which is equal to 1800 yuan.