GB/T 24851-2024 Chinese PDF (GB /T24851-2024) GB/T 22211-2025 2-2025_Chinese: Technical specification for animal

2-2025_Chinese: Technical specification for animal genetic resource survey - Part 2: Swine (Chinese: 畜禽遗传资源调查技术规范 第2部分：猪)

GB/T 17818-2025_Chinese: Determination of vitamin D3 in feeds - High-performance liquid chromatography (Chinese: 饲料中维生素D3的测定 高效液相色谱法)

GB 45184-2024_Chinese: Optometry products - Safety technical specifications of components (Chinese: 眼视光产品 元件安全技术规范)

30-2025_Chinese: National food safety standard - Food contact materials and products - Determination of phthalate esters and determination of migration (Chinese: 食品安全国家标准 食品接触材料及制品 邻苯二甲酸酯类化合物的测定和迁移量的测定)

English versions: GB/T 24438

GB/T 24851-2024 Chinese PDF (GB /T24851-2024) GB/T 22211-2025 2-2025_Chinese: Technical specification for animalGB T 24851 2024_Chinese: Specification for equipping and managing of measuring instrument of energy in building material industry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24851 2024