China Electronics Technology Blue Sky Technology Co., Ltd. is a state-owned subsidiary established by China Electronics Technology Group Co., Ltd. based on the needs of national energy strategy development. It is registered in Tianjin Binhai High tech Industrial Development Zone with a registered capital of 1.563 billion yuan. The company has subsidiaries such as Tianjin Blue Sky Sun Technology Co., Ltd., Tianjin Space Power Technology Co., Ltd., Tianjin Zhongdian New Energy Research Institute Co., Ltd., and Tianjin Blue Sky Special Power Supply Co., Ltd. It mainly engages in the research and development, production, sales, and services of electrical energy materials, products, and systems, covering physical power sources, chemical power sources, power supply systems, and upstream and downstream products in the industrial chain. The company's products and services cover four major fields: aerospace power supply, special power supply, green microgrid energy, and common foundation.