GB/T 18109-2024 Chinese PDF (GB /T18109-2024) GB/T 11842-2025 GB 45248-2025_Chinese: Drug concentration cutoff

GB 45248-2025_Chinese: Drug concentration cutoff values and examination for vehicle drivers (Chinese: 车辆驾驶人员体内毒品含量阈值与检验)

GB/T 19183

62-2025_Chinese: National food safety standard - Food contact materials and products - Determination of migration and release of N-nitrosamines (Chinese: 食品安全国家标准 食品接触材料及制品 N-亚硝胺类化合物迁移量和释放量的测定)

GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)

English versions: GB/T 11578-2025

GB/T 18109-2024 Chinese PDF (GB /T18109-2024) GB/T 11842-2025 GB 45248-2025_Chinese: Drug concentration cutoffGB T 18109 2024_Chinese: Frozen finfish (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18109 2024