GB/T 28924-2023 Chinese PDF (GB/T28924-2023) GB/T 14663-2024 1-2023_Chinese: Agricultural irrigation equipment -

1-2023_Chinese: Agricultural irrigation equipment - Sprinklers - Part 1: Definition of terms and classification (Chinese: 农业灌溉设备 喷头 第1部分：术语和分类)

GB/T 37027-2025_Chinese: Cybersecurity technology - Criteria for determing network attack and network attack incident (Chinese: 网络安全技术 网络攻击和网络攻击事件判定准则)

English versions: GB/T 45311-2025

English versions: GB/T 19274-2024

English versions: GB/T 20279-2024

GB/T 28924-2023 Chinese PDF (GB/T28924-2023) GB/T 14663-2024 1-2023_Chinese: Agricultural irrigation equipment -GB T 28924 2023_Chinese: Guides for calculating energy efficiency index for iron and steel enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28924 2023