隐身20年的中国首富，如今身价1500亿

The production activities of cement industry are closely related to air pollution, and the pollutants emitted by cement industry play an important role in the formation of heavy pollution weather. Therefore, vigorously promoting pollution control and emission reduction in the cement industry has become a key measure to help control heavily polluted weather and improve the ecological environment, which is of far-reaching significance to the sustainable development of economy and environment.