GB/T 1480-2025 Chinese PDF (GB /T1480-2025) GB/T 10816-2024 31-2025_Chinese: National food safety standard

31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride

English versions: GB/T 11828

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)

20-2024_Chinese: Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides - Ion chromatography method (Chinese: 稀土金属及其氧化物中非稀土杂质化学分析方法 第20部分：稀土氧化物中微量氟、氯的测定 离子色谱法)

raw natural and raw synthetic - Sampling and further preparative procedures (Chinese: 天然、合成生胶 取样及其制样方法)

GB/T 1480-2025 Chinese PDF (GB /T1480-2025) GB/T 10816-2024 31-2025_Chinese: National food safety standardGB T 1480 2025_Chinese: Metallic powders Determination of particle size by dry sieving (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1480 2025