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61-2025_Chinese: National food safety standard - Food contact materials and products - Determination of migration of 2
303-2025_Chinese: National food safety standard - Determination of Yeast β -glucan in Food (Chinese: 食品安全国家标准 食品中酵母β-葡聚糖的测定)
English versions: GB/T 12357
English versions: GB 17681-2024
5-2025_Chinese: Uncut finished spectacle lenses - Part 5: Abrasion-resistant of surfaces test methods (Chinese: 眼镜镜片 第5部分：表面耐磨试验方法)
GB 5009.183-2025 Chinese PDF GB/T 13511.2-2025 61-2025_Chinese: National food safety standardGB 5009. 183 2025_Chinese: National food safety standard Determination of urease in food (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 5009. 183 2025
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