1. The low valuation, low expectation and high dividend of the coal sector are the sectors that institutions like to allocate most after the market risk sentiment drops.

2. Loose expectations, accelerated infrastructure under steady growth, and relaxed real estate policies will all help to improve the late expectations of the sector.

3. The European Union banned the import of Russian coal, which pushed up the international coal price, and domestic and foreign coal was upside down, which was beneficial to the rise of domestic coal.

4. Transformation of coal enterprises to new energy power generation.