GB 4715-2024 Chinese PDF GB/T 45548-2025 2-2024_Chinese: Non-destructive testing - Penetrant

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

GB/T 18760-2025_Chinese: Methods and requirements for after-sales service of consumer products (Chinese: 消费品售后服务方法与要求)

2-2025_Chinese: National food safety standard - Disinfectant (Chinese: 食品安全国家标准 消毒剂)

GB/T 45161-2024_Chinese: Technical specification of safety valves for liquid hydrogen vessels (Chinese: 液氢容器用安全阀技术规范)

1-2024_Chinese: Condition monitoring and diagnostics of machines - Prognostics - Part 1: General guidelines (Chinese: 机器状态监测与诊断 预测 第1部分：一般指南)

GB 4715-2024 Chinese PDF GB/T 45548-2025 2-2024_Chinese: Non-destructive testing - PenetrantGB 4715 2024_Chinese: Point type smoke detectors using scattered light, transmitted light or ionization (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4715 2024