Xinyi Electric Storage Holdings Limited (8328.HK), an investment holding company and a member of Xinyi Group, engages in energy storage solutions, engineering procurement and construction (EPC) services, photovoltaic (PV) films, automobile glass repair and replacement services, and other new energy businesses primarily in China. The company manufactures and sells lithium battery products, battery packs, and energy storage systems including residential energy storage systems, industrial and commercial energy storage systems, portable power stations; provides battery management systems (BMS), energy management systems (EMS), EV chargers, and PV films; and offers EPC services for commercial and industrial distributed rooftop PV power plants, microgrid design, construction, and operation, as well as solar storage and charging integration and automobile glass services. Incorporated in the Cayman Islands in 2015 with headquarters in Kowloon, Hong Kong, and principal operations anchored in mainland China, the company targets industrial, commercial, residential, and power sector customers to support carbon peak and neutrality goals. In 2024, Xinyi Electric Storage Holdings Limited launched delivery of its new 13.5 kWh residential energy storage battery pack through strategic cooperation with inverter manufacturers and stabilized production of EV charger series products while emphasizing a light-asset operational model to enhance profitability and battery end-product integration. The company maintains an annual capacity exceeding 3 billion watt-hours, R&D investment over 10% of revenue, and more than 200 national patents.