I would suggest you go to a nearby police station and ask them whether you can register your electric bicycle. Related policies may vary in different cities.Usually you need to provide your passport & a valid visa,registration form of temporary residence for visitors,the invoice ,and original certificate of your electric bicycle,...
建议你去离你最近的公安局问一下现在是否可以给电动车上牌照。因为每个城市的相关政策都不太一样,有些地方甚至停止了给电动车上牌照。在我所知道的一些城市,给电动车上牌照( license plate),需要你提供你的有效护照和签证,外籍人士在中国居住的证明表格,以及你所买的电动车的整车出厂合格证明(这个在你购车时可以向卖方索要)