Sinowatt Dongguan Limited, invested by China Zhenhua (Group) Science and Technology Co. Ltd in 2010, which is a member enterprise of China Electronics Corporation(CEC), focuses on the research and manufacture of cylindrical lithium-ion battery cells and systems. In Fenggang factory, there are advanced production lines for 18650, 26650, 26700, and 21700 bare cells respectively. The system business mainly develops and produces home energy storage, industrial and commercial energy storage, and various customized battery pack products.