GB/T 32151.24-2024 Chinese PDF (GB/T32151.24-2024) GB/T 45140-2025 GB/T 45357-2025_Chinese: Plastics piping systems

GB/T 45357-2025_Chinese: Plastics piping systems on ships - Polyethylene (PE) pipes and fittings (Chinese: 船用塑料管道系统 聚乙烯（PE）管材及管件)

GB/T 28952-2024_Chinese: Forest certification in China - Chain of custody (Chinese: 中国森林认证 产销监管链)

GB/T 30163-2023_Chinese: Specifications of top combustion stove with high blast temperature for blast furnace (Chinese: 高炉用高风温顶燃式热风炉节能技术规范)

GB 30180-2024_Chinese: Norm of energy consumption per unit production of coal to olefins

English versions: GB/T 12540-2024

GB/T 32151.24-2024 Chinese PDF (GB/T32151.24-2024) GB/T 45140-2025 GB/T 45357-2025_Chinese: Plastics piping systemsGB T 32151. 24 2024_Chinese: Requirements of the greenhouse gas emissions accounting and reporting Part 24: Electronics manufacturing enterprise (Chinese: 24) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 32151. 24 2024