GB 30180-2024 Chinese PDF GB/T 42567.4-2025 GB/T 45275-2025_Chinese: Determination of N

GB/T 45275-2025_Chinese: Determination of N

GB/T 6595-2025_Chinese: Plastics - Test method for fish eye count of polypropylene resin (Chinese: 塑料 聚丙烯树脂鱼眼测试方法)

GB/T 45428-2025_Chinese: Forensic sciences - Forged video and image of a person - Multispectral imaging examination (Chinese: 法庭科学 伪造人像 多光谱检验)

1-2025_Chinese: Uncut finished spectacle lenses - Part 1: Single-vision and multifocal (Chinese: 眼镜镜片 第1部分：单焦和多焦)

GB/T 45593-2025_Chinese: Fine ceramics - Determination of the abrasion resistance of coatings by micro-scale abrasion test (Chinese: 精细陶瓷 微磨损试验测定涂层的耐磨性)

GB 30180-2024 Chinese PDF GB/T 42567.4-2025 GB/T 45275-2025_Chinese: Determination of NGB 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