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

English versions: GB/T 15558

GB/T 44880-2024_Chinese: Cause and effect matrix (Chinese: 因果矩阵)

English versions: GB/T 45436-2025

GB/T 45587-2025_Chinese: Detection and identification of Potyvirus glycitessellati (Chinese: 大豆花叶病毒检疫鉴定方法)

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