GB/T 5612-2025 Chinese PDF (GB /T5612-2025) GB/T 36800.3-2025 GB/T 31128-2025_Chinese: Testing and evaluation

GB/T 31128-2025_Chinese: Testing and evaluation of the resistance to pile loop extraction for towel products (Chinese: 毛巾产品毛圈钩拉力测试与评价)

English versions: GB/T 17216-2025

English versions: GB/T 32105-2025

English versions: GB/T 45097

GB 45248-2025_Chinese: Drug concentration cutoff values and examination for vehicle drivers (Chinese: 车辆驾驶人员体内毒品含量阈值与检验)

GB/T 5612-2025 Chinese PDF (GB /T5612-2025) GB/T 36800.3-2025 GB/T 31128-2025_Chinese: Testing and evaluationGB T 5612 2025_Chinese: Designation of cast irons (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5612 2025