On October 26, 2024, the State Administration for Market Regulation and Standardization Administration of China jointly released GB/T 44843-2024 Specifications for Safety Estimation of Existing Escalators and Moving Walks, implemented on the release day. Standard core: 1. Scope: Covering existing escalators and moving walks, focusing on old equipment over 10 years; 2. Assessment subject: Third-party institutions with special equipment inspection qualifications, assessors certified; 3. Assessment process: Application → document review → on-site testing → safety assessment → report issuance; 4. Assessment indicators: 48 indicators, including structural safety, drive system, braking system, step/pedal, handrail, door protection, electrical safety, emergency device, maintenance quality; 5. Judgment level: Level A (qualified), Level B (rectification), Level C (stop use renovation), Level D (scrap); 6. Assessment cycle: Once every 2 years for 10-15 years, once every year for over 15 years; 7. Legal effect: Assessment report has legal effect, Level C/D equipment stopped immediately. The standard provides unified technical specifications for China existing escalator safety management