Lesi Group Limited provides mobile advertising solutions services in the People's Republic of China. It offers mobile advertising services, such as mobile marketing planning, traffic acquisition, production of ad creatives, ad placements and optimization, ad campaign management, and ad distribution to customers for marketing of their brands, products, and/or services on media platforms operated by its media partners. The company formerly known as Lesi Technology Holdings Limited. Lesi Group Limited was founded in 2015 and is headquartered in Beijing, the People's Republic of China. Lesi Group Limited operates as a subsidiary of Ka Lok Holdings Limited.