ZW Data Action Technologies Inc., through its subsidiaries, provides omni-channel advertising, precision marketing, and data analysis services in the People's Republic of China. It offers Internet advertising, precision marketing, and related data and value added services through its Internet portals, including 28.com and liansuo.com that provide advertisers with tools to build sales channels in the form of franchisees, sales agents, distributors, and/or resellers; and distributes television shows comprising advertisements. The company is also involved in the technical services; and research and development, and other technical support services for the block chain business. The company was formerly known as ChinaNet Online Holdings, Inc. and changed its name to ZW Data Action Technologies Inc. in October 2020. ZW Data Action Technologies Inc. was founded in 2003 and is headquartered in Beijing, the People's Republic of China.