GB/T 24021-2024 Chinese PDF (GB/T24021-2024) GB/T 2820.7-2024 3-2024_Chinese: Security management systems for

3-2024_Chinese: Security management systems for the supply chain - Guidelines for the implementation of ISO 28000 - Part 3: Additional specific guidance for adopting ISO 28000 for use by medium and small businesses (other than marine ports) (Chinese: 供应链安全管理体系 ISO 28000实施指南 第3部分：中小企业采用ISO 28000的附加特定指南（海港除外）)

GB/T 25503-2024_Chinese: Requirements in sell and market service of city gas burning-appliances (Chinese: 城镇燃气燃烧器具销售和售后服务要求)

English versions: GB/T 45340-2025

English versions: GB/T 5744-2023

English versions: GB/T 15843

GB/T 24021-2024 Chinese PDF (GB/T24021-2024) GB/T 2820.7-2024 3-2024_Chinese: Security management systems forGB T 24021 2024_Chinese: Environmental management Environmental labels and declarations Self declared environmental claims (Type II environmental labelling) (Chinese: II) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24021 2024