If you listen to the general narrative in the automotive industry, it's a dire one that warns of highly affordable and advanced Chinese electric vehicles (EVs) sweeping the globe in dominating fashion. There's certainly a lot of truth to that narrative, but many promising EV companies in China are busy battling themselves amid a brutal price war.Nio (NIO -3.47%) is included, and despite the ongoing Chinese price war, the company has a couple of reasons for investors to remain optimistic.Profitable battery s ...