公告日期：2026-04-04

Stock Code : 600350

Welcome to Pay Attention to our

WeChat Public Number

Address:No.5006. Aoti Middle Road, Hi-Tech Zone, Jinan

Website:www.sdecl.com.cn
Hotline:0531-89260052

Fax:0531-89260050 Sustainability Report
Mailboxsdhs@sdecl.com.cn

Foreword 03 About Shandong Hi-Speed Sustainable Development

Message from the Chairman 05 Company Profile 11 Governance

Milestones 15 Governance System for Sustainable Development 21
Special Feature： Corporate Culture 17 Sustainable Development Achievement 22
Green Upgrading of Transportation Infrastructure 07 Honors 17 Sustainability Risk Management 23
Fosters New Quality Productive Forces Performance Highlights in 2025 20 Double Materiality Analysis 24
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