GB/T 7186-2023 Chinese PDF (GB/T7186-2023) GB/T 5762-2024 GB/T 24021-2024_Chinese: Environmental management -

GB/T 24021-2024_Chinese: Environmental management - Environmental labels and declarations - Self-declared environmental claims (Type II environmental labelling) (Chinese: 环境管理 环境标志和声明 自我环境声明 （II型环境标志）)

5-2024_Chinese: Fasteners surface treatment - Part 5: Zinc thermal diffusion coatings (Chinese: 紧固件表面处理 第5部分：热扩散渗锌层)

GB/T 20657-2022_Chinese: Petroleum and natural gas industries - Formulae and calculations for the properties of casing

GB/T 45325-2025_Chinese: Determination of length of heat affected zone for precious metal bonding wire - Scanning electron microscope method (Chinese: 贵金属键合丝热影响区长度测定 扫描电镜法)

GB/T 7186-2023 Chinese PDF (GB/T7186-2023) GB/T 5762-2024 GB/T 24021-2024_Chinese: Environmental management -GB T 7186 2023_Chinese: Terms relating to coal preparation (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7186 2023