China Energy Storage Technology Development Limited, an investment holding company, engages in the provision of electronic manufacturing services for the telecommunications, security, car electronics, home appliances, other consumer, and industrial electronic products. The company operates through four segments: Electronic Manufacturing Services; Securities and Other Assets Investment and Others; Real Estate Supply Chain Services and Energy Storage Products; and Money Lending. It is also involved in the manufacture and sale of telecommunications and other products, and consumable electronic products; sale of audio equipment; and provision of consultancy services. In addition, the company offers equity investment and property agency services; real estate advisory and purchase services; energy storage products; and loan services.