GB/T 30553-2023 Chinese PDF (GB/T30553-2023) GB 31335-2024 GB/T 45445-2025_Chinese: General requirements for

GB/T 45445-2025_Chinese: General requirements for age-friendly E-commerce platform (Chinese: 电子商务平台适老化通用要求)

GB/T 45417-2025_Chinese: Guidelines for defect analysis of vehicle regenerative braking function (Chinese: 汽车再生制动功能缺陷分析指南)

English versions: GB/T 45527-2025

GB/T 45019-2024_Chinese: Basalt fiber modified asphalt mixture for road engineering (Chinese: 道路用玄武岩纤维沥青混合料)

5 kV）和110 kV（Um=126 kV）交联聚乙烯绝缘电力电缆及其附件 第3部分：电缆附件)

GB/T 30553-2023 Chinese PDF (GB/T30553-2023) GB 31335-2024 GB/T 45445-2025_Chinese: General requirements forGB T 30553 2023_Chinese: High voltage direct current (HVDC) power transmission using voltage sourced converters (VSC) (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30553 2023