GB 24550-2024 Chinese PDF GB 31648-2025 GB/T 45653-2025_Chinese: Specification for after-sales

GB/T 45653-2025_Chinese: Specification for after-sales service of new energy vehicle (Chinese: 新能源汽车售后服务规范)

2-2025_Chinese: Sterilization of health care products - Microbiological methods - Part 2: Tests of sterility performed in the definition

impacts and risk assessment (Chinese: 适应气候变化 脆弱性、影响和风险评估指南)

English versions: GB/T 22068-2025

1-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 1: Design guidelines (Chinese: 电气和电子设备机械结构 户外机壳 第1部分：设计导则)

GB 24550-2024 Chinese PDF GB 31648-2025 GB/T 45653-2025_Chinese: Specification for after-salesGB 24550 2024_Chinese: Protection of motor vehicle for pedestrians in the event of a collision (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 24550 2024