公告日期：2026-04-28

Contents

About the Report 1 01 02 03

Chairman's Message 3 About Rongsheng 5 Ensuring Operational 19 Conserving Ecology 29
Petrochemical Compliance to Enhance and Unleashing Green

Future Prospects 99 Growth Strength Potential

ISO System 100 About Us 7 EnhancingEnvironmental 31
Certification Statistics Corporate Governance 21 Management

of the Company Market Structure 8

Core Competitiveness 9 Information Disclosure 22 Respondingto Climate Change 38
Management ReducingResourceConsumption

Independent 101 Recognition 10 53
Investor RelationsManagement 23 Controlling Pollutant Discharge

Assurance Report RemunerationAppraisal 12 58
BusinessEthics Management 23 Seizing Clean Technology

Materiality Assessment 13 ……
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