GB 30180-2024 Chinese PDF GB/T 30425-2025 GB/T 41869

GB/T 41869

English versions: GB/T 45309-2025

GB/T 45377-2025_Chinese: Non-destructive testing - Long-range inspection of above-ground pipelines and plant piping using guided wave testing with axial propagation (Chinese: 无损检测 地面管线及厂区管道轴向长距离导波检测)

English versions: GB/T 27772-2025

3-2024_Chinese: Safety of intelligent consumer product - Part 3: Risk control (Chinese: 智能消费品安全 第3部分：风险控制)

GB 30180-2024 Chinese PDF GB/T 30425-2025 GB/T 41869GB 30180 2024_Chinese: Norm of energy consumption per unit production of coal to olefins, coal to synthetic natural gas and coal to liquids (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30180 2024