Pingmei Energy and Yankuang are both large domestic coal enterprises, which have certain strength and influence in coal mining, coal chemical industry, coal-electricity integration and other fields. Which enterprise is better needs to be evaluated according to specific indicators and needs.

In terms of scale, Pingmei Energy is one of the leading enterprises in China coal industry, rich in coal resources and advanced in mining technology, and it is one of the main suppliers in the coal market at home and abroad. Yankuang is also a leading enterprise in China coal industry, with large-scale coal reserves and mineral resources.

In terms of industrial chain layout, Pingmei Energy has corresponding businesses in coal mining, washing, coal-to-liquid and coal chemical industry, and has good integration ability in the industrial chain. Yankuang is mainly engaged in coal mining and sales, but also involved in power, chemical industry, logistics and other fields.

For investors or consumers, the following aspects can be comprehensively considered:

1. Resource reserves and sustainable development capacity: coal resource reserves, resource mining technology and attention to the environment are important factors for the long-term development of enterprises.

2. Development strategy and business layout: whether the business layout of the enterprise is reasonable and whether it has the ability and willingness to develop new energy and clean energy.

3. Financial status and profitability: The financial status, profitability and cash flow of an enterprise can reflect its profitability and operational stability.

4. Market position and brand influence: The position and brand influence of an enterprise in domestic and foreign markets can indirectly reflect its market competitiveness.

It should be noted that the above is only a general comparison between the two companies, and all factors cannot be considered comprehensively. The specific choice also needs to be determined according to personal needs and risk preferences. It is suggested to conduct more comprehensive research and evaluation before investment or cooperation.