GB/T 43316.4-2023 Chinese PDF (GB/T43316.4-2023) GB/T 4706.102-2024 GB/T 23262-2023_Chinese: Test methods for

GB/T 23262-2023_Chinese: Test methods for nonmetallic sealing packings (Chinese: 非金属密封填料试验方法)

GB/T 20907-2024_Chinese: Technical specification for automatic fare collection system of urban rail transit (Chinese: 城市轨道交通自动售检票系统技术条件)

English versions: GB/T 42257-2022

GB/T 16915

English versions: GB/T 18760-2025

GB/T 43316.4-2023 Chinese PDF (GB/T43316.4-2023) GB/T 4706.102-2024 GB/T 23262-2023_Chinese: Test methods forGB T 43316. 4 2023_Chinese: Plastics Determination of resistance to environmental stress cracking (ESC) Part 4: Ball or pin impression method (Chinese: (ESC) 4:) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43316. 4 2023