ZW Data Action Technologies Inc., through its subsidiaries, provides omni-channel advertising, precision marketing, and data analysis management systems in the People's Republic of China. It offers Internet advertising, precision marketing, and related data 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. The company also develops and operates blockchain technology-based products and services. In addition, it provides digital business promotion and other e-commerce online to offline advertising and marketing and related value-added technical services, as well as 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.