GB 5768.1-2025 Chinese PDF GB 5009.301-2025 4-2025_Chinese: Instruments for stage measurement

4-2025_Chinese: Instruments for stage measurement - Part 4: Ultrasonic stage recorder (Chinese: 水位测量仪器 第4部分：超声波水位计)

GB 12158-2024_Chinese: General requirements for preventing electrostatic accidents (Chinese: 防止静电事故通用要求)

English versions: GB 45189-2025

GB 45438-2025_Chinese: Cybersecurity technology - Labeling method for content generated by artificial intelligence (Chinese: 网络安全技术 人工智能生成合成内容标识方法)

English versions: GB/T 14478-2025

GB 5768.1-2025 Chinese PDF GB 5009.301-2025 4-2025_Chinese: Instruments for stage measurementGB 5768. 1 2025_Chinese: Traffic signs and markings Part 1: General (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5768. 1 2025