GB/T 11345-2023 Chinese PDF (GB/T11345-2023) GB/T 45616.4-2025 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

3-2024_Chinese: General technical requirements for agricultural internet of things - Part 3: Aquaculture (Chinese: 农业物联网通用技术要求 第3部分：水产养殖)

English versions: GB/T 10599-2023

GB/T 26882

GB/T 45433-2025_Chinese: Forensic sciences - Forged video and image of a person - Explainable feature set for examination (Chinese: 法庭科学 伪造人像 可解释性检验特征集)

GB/T 11345-2023 Chinese PDF (GB/T11345-2023) GB/T 45616.4-2025 31-2025_Chinese: National food safety standardGB T 11345 2023_Chinese: Non destructive testing of welds Ultrasonic testing Techniques, testing levels, and assessment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 11345 2023