What does the coal business mainly do?

Being a coal salesman is not an easy task. First of all, you have to know the basic information of coal, including calorific value, volatile matter, ash, total moisture, ash melting point, grindability coefficient and so on. You have to look at the indicators and basically confirm the type of coal.

That place in Shanxi is very dark. If you want to do coal business permanently in Shanxi, it needs to be written in black and white, and most people can't do it. But if you really think you have this ability, the future is bound to be boundless.