Home / Standards / GB 4053.1-2025 GB 4053.1-2025 Upcoming Safety requirements for fixed metal ladders and platform—Part 1: Vertical ladders 固定式金属梯及平台安全要求 第1部分:直梯 Standard Type GB ICS 13.100 CCS C 68 Status 即将实施 Issue Date 2025-12-31 Implementation 2027-01-01 Responsible Dept 应急管理部 Drafting Unit N/A