GB/T 27866-2023 Chinese PDF (GB/T27866-2023) GB/T 2910.9-2024 GB/T 33761-2024_Chinese: General principles for

GB/T 33761-2024_Chinese: General principles for green product assessment (Chinese: 绿色产品评价通则)

GB/T 13629-2023_Chinese: Criteria for programmable digital devices in safety systems of nuclear power generating stations (Chinese: 核电厂安全系统中可编程数字设备的适用准则)

GB/T 18721

GB/T 45376-2025_Chinese: Electroforming process specification of nickel and copper (Chinese: 镍和铜电铸工艺规范)

GB/T 27866-2023 Chinese PDF (GB/T27866-2023) GB/T 2910.9-2024 GB/T 33761-2024_Chinese: General principles forGB T 27866 2023_Chinese: Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27866 2023