中国电动自行车保有量3.5亿辆，2020年产量4228万辆，20%采用锂电池，新安全标准11月1日生效。 350 million electric bicycles in China, 42.28 million produced in 2020, 20% lithium battery-powered, new safety standards effective Nov. 1.

我国电动自行车保有量突破3.5亿辆，2020年产量达4228万辆。 China's electric bicycle count surpasses 350 million, with 42.28 million manufactured in 2020. 各大品牌生产的新款电动自行车中，超过20%采用锂电池供电。 Over 20% of new electric bicycles produced by major brands are lithium battery-powered. 新的锂电池安全标准将于11月1日起在全国范围内实施，工业和信息化部将高效锂电池技术列为中国自行车行业的重点改进领域。 New lithium battery safety standards will be effective nationwide starting Nov. 1, with the Ministry of Industry and Information Technology identifying efficient lithium battery tech as a crucial improvement area for China's bicycle industry.