Auto City Technology Co., Ltd. (formerly known as online car Market) is an investment holding company mainly providing automobile advertising services. The company operates two business divisions. The online Advertising Services Division provides car-related advertising services and publishes car-related articles and videos, both of which are released on the company's own online platform. The transaction facilitation services division provides transaction facilitation services, that is, to assist car dealers or marketing agents in organizing exhibitions and advertising activities to facilitate the purchase of cars by target customers. The company mainly does business in the Chinese market.