GB 30251-2024 Chinese PDF GB/T 33993-2024 1-2025_Chinese: Information technology - Time

1-2025_Chinese: Information technology - Time aware network - Part 1: Protocol (Chinese: 信息技术 时间明晰网络 第1部分：协议)

GB/T 45478-2025_Chinese: General requirement for grading label of motor vehicle tyres (Chinese: 汽车轮胎性能等级标识通用要求)

English versions: GBZ17624

GB/T 45112-2024_Chinese: LTE-based vehicular communication - Technical requirement of security certificate management system (Chinese: 基于LTE的车联网无线通信技术 安全证书管理系统技术要求)

GB/T 18822

GB 30251-2024 Chinese PDF GB/T 33993-2024 1-2025_Chinese: Information technology - TimeGB 30251 2024_Chinese: Norm of energy consumption per unit production of refining and chemical industry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30251 2024