1. From the perspective of supply and demand, the basic factor of coke price fluctuation is the supply and demand of the market, and the supply of coal in the market is greater than that of coke.

2. Functionally, coke plays an irreplaceable role in metal smelting, casting and gasification.

Coke is processed from coal. Under the condition of air isolation, it is heated to 950- 1050℃, dried, pyrolyzed, melted, bonded, solidified and shrunk, and finally made into coke.

Coke is an important industrial raw material and its demand is closely related to the economic situation. When the economy grows, the demand for coke increases, thus pushing up the price of coke. When the economy is depressed, the demand for coke shrinks, thus pushing the price of coke down. When analyzing the macro-economy, two indicators are very important, one is the economic growth rate, or GDP growth rate, and the other is the added value of industrial production. Macroeconomic development cycle, prosperity, economic development trend, exchange rate changes, etc. It is also the background information of coke price change.