NIO Inc. is a Chinese electric vehicle manufacturer founded in November 2014 and headquartered in Shanghai. The company designs, develops, manufactures, and sells premium smart electric vehicles under the NIO brand, as well as family-oriented vehicles through its ONVO brand and small, high-end electric cars with the FIREFLY brand. NIO differentiates itself through technological innovations like battery swapping and autonomous driving, and aims to be a "User Enterprise" focused on user experience and community growth.