GB/T 4706.28-2024 Chinese PDF (GB/T4706.28-2024) GB/T 22068-2025 GB/T 43289-2023_Chinese: Plastics - Test

GB/T 43289-2023_Chinese: Plastics - Test methods for determination of degradation rate and disintegration degree of plastic materials exposed to marine environmental matrices under laboratory conditions (Chinese: 塑料 实验室条件下测定暴露于海洋环境基质中塑料材料分解率和崩解程度的试验方法)

English versions: GB/T 23367

English versions: GB/T 44932-2024

GB/T 45356-2025_Chinese: Polypropylene(PP) piping systems for non-pressure buried drainage and sewerage (Chinese: 无压埋地排污、排水用聚丙烯（PP）管道系统)

GB/T 11834-2023_Chinese: Friction linings for industrial and agricultural machines (Chinese: 工农业机械用摩擦片)

GB/T 4706.28-2024 Chinese PDF (GB/T4706.28-2024) GB/T 22068-2025 GB/T 43289-2023_Chinese: Plastics - TestGB T 4706. 28 2024_Chinese: Safety of household and similar electrical appliances Part 28: Particular requirements for range hoods and other cooking fume extractors (Chinese: 28) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 28 2024