GB/T 45531-2025 Chinese PDF (GB /T45531-2025) GB 6944-2025 GB/T 45344-2025_Chinese: General technical requirements

GB/T 45344-2025_Chinese: General technical requirements for fabricated and prefabricated gas piping used in buildings (Chinese: 建筑用装配式预制燃气管道通用技术条件)

English versions: GB/T 45285-2025

GB/T 15316-2024_Chinese: General principles for energy saving monitoring and testing techniques (Chinese: 节能监测技术通则)

1-2024_Chinese: Warehouse logistics equipment - Specification for reliability test - Part 1: Conveying and sorting equipment (Chinese: 物流仓储设备 可靠性试验规范 第1部分：输送分拣设备)

GB/T 45531-2025 Chinese PDF (GB /T45531-2025) GB 6944-2025 GB/T 45344-2025_Chinese: General technical requirementsGB T 45531 2025_Chinese: Guidelines for establishing single submission portal of international trade (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45531 2025