Is Nio (NYSE:NIO) planning to become more self-sufficient? Last week, Anhui Jianghuai Automobile Group (JAC) announced plans to sell factory assets with a net book value worth of RMB 4.2 billion (~$574 million) and an evaluated value of about RMB 4.5 billion (~$615 million). Amongst the assets are two factories where it manufactures vehicles for Nio. While no buyer of the assets has yet to be confirmed, according to the rumor mill, the Chinese EV maker might be eyeing a purchase of the assets al