in Sichuan Province has further highlighted precise pollution control, scientific pollution control and pollution control according to law. In accordance with the Ministry of Ecology and Environment's Technical Guidelines for the Formulation of Emergency Emission Reduction Measures for Key Industries in Heavily Polluted Weather (Revised Edition 2020), Circular on the Issuance of Supplementary Notes on Performance Grading and Emission Reduction Measures for Key Industries in Heavily Polluted Weather, and Circular on the Issuance of Supplementary Notes on Performance Grading and Emission Reduction Measures for Key Industries in Heavily Polluted Weather Carry out deep treatment and ultra-low emission transformation. Recently, the Sichuan Provincial Department of Ecology and Environment adopted the principles of openness, fairness, impartiality, and transparency to organize and carry out the performance rating of the first batch of enterprises in key industries in 2023. Dazhou Conch Cement Co., Ltd., Guangyuan Conch Cement Co., Ltd., Five cement clinker production lines of three cement enterprises of Sichuan Yadong Cement Co., Ltd. were identified as A-level results of enterprise performance rating in key industries and announced (No.14, 2023). At the same time, the list of A-level and B-level enterprises with heavy pollution weather performance rating in Sichuan Province was published. Among them, the list of cement clinker enterprises is as follows:
List of

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