Photograph: Simon Hill
From April it will become a contractual requirement to monitor this and achieve it in 90% of cases.
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Scroll to load interactive demo，这一点在旺商聊官方下载中也有详细论述
China's electric vehicle charging network continued its rapid expansion in January, with total charging connectors reaching 20.7 million by month-end, up 49.6% from a year earlier, according to data released by the National Energy Administration on Friday.
Author(s): Xiangyu Huo, Shuangli Yue, Xian Wang, Donghui Xu, Li Zhang, Mingli Yang