Electric-power bicycles (sometimes tricycles) are illegal yet they are everywhere. This large photo collection is to show how ubiquitous they are in the daily lives of the ordinary folks as it is their workhorse. They are on the roads, highways, sidewalks, going against traffic, riding with and mostly without helmet. Some are retrofitted later with a electric motor. Some are clearly part of the business model of major companies. The amount of delivery ebikes I encountered also shows the popularity of eCommerce that is happening. The varying design gives you a glimpse the vibrancy of the current China economy.
I am sure you can find one that can fit your needs.