YY/T 1940-2024 Chinese PDF (YY /T1940-2024) GB/T 45098-2024 2-2025_Chinese: Safety requirements of battery

2-2025_Chinese: Safety requirements of battery swap for electric vehicles - Part 2: Commercial vehicle (Chinese: 电动汽车换电安全要求 第2部分：商用车辆)

English versions: GB/T 45301-2025

English versions: GB 45184-2024

1-2025_Chinese: Plastics - Impact-resistant polystyrene(PS-I) moulding and extrusion materials - Part 1: Designation system and basis for specifications (Chinese: 塑料 抗冲击聚苯乙烯（PS-I）模塑和挤出材料 第1部分：命名系统和分类基础)

2-2025_Chinese: Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (Chinese: 声学 道路表面对交通噪声影响的测量 第2部分：近距法)

YY/T 1940-2024 Chinese PDF (YY /T1940-2024) GB/T 45098-2024 2-2025_Chinese: Safety requirements of batteryYY T 1940 2024_Chinese: Medical nickel titanium powders for additive manufacturing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 1940 2024