GB/T 23020-2023 Chinese PDF (GB/T23020-2023) GB 14102.3-2024 GB/T 17145-2024_Chinese: Guidelines for recycling

GB/T 17145-2024_Chinese: Guidelines for recycling of used mineral oil (Chinese: 废矿物油回收与再生利用导则)

English versions: GB/T 34430

English versions: GB/T 45338-2025

1-2024_Chinese: Metallic materials - Knoop hardness test - Part 1: Test method (Chinese: 金属材料 努氏硬度试验 第1部分: 试验方法)

GB/T 45006-2024_Chinese: Pultruded fiber reinforced polymer composite planks for wind turbine blades (Chinese: 风电叶片用纤维增强复合材料拉挤板材)

GB/T 23020-2023 Chinese PDF (GB/T23020-2023) GB 14102.3-2024 GB/T 17145-2024_Chinese: Guidelines for recyclingGB T 23020 2023_Chinese: Assessment specification on integration of informatization and industrialization for industrial 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 23020 2023