GB 5009.307-2025 Chinese PDF GB/T 13815.1-2025 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)

3-2025_Chinese: Cardiovascular implants - Cardiac valve prostheses - Part 3: Heart valve substitutes implanted by transcatheter techniques (Chinese: 心血管植入器械 人工心脏瓣膜 第3部分：经导管植入式人工心脏瓣膜)

English versions: GB 15269-2025

English versions: GB/T 11842-2025

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

GB 5009.307-2025 Chinese PDF GB/T 13815.1-2025 GB 45248-2025_Chinese: Drug concentration cutoffGB 5009. 307 2025_Chinese: National food safety standard Determination of formaldehyde in foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5009. 307 2025