Beijing Solar Energy Research Institute has developed into a banner of China in the field of solar energy research and utilization in the world, and it is the first batch of scientific research institutions in China to enter the market economy. Today, Beijing Solar Energy Research Institute Co., Ltd. owns Beijing Pu Sang Sunshine Technology Co., Ltd., Beijing Sanda Solar Technology Co., Ltd., Beijing Pu Sang Photoelectric Technology Co., Ltd., Beijing Gaoke Photoelectric Technology Co., Ltd., and more than 200 scientific and technological experts and engineers. These multinational high-tech enterprises integrating science, industry and trade have achieved fruitful results in the fierce market competition, and their scientific research strength, economic strength and market competitiveness have been continuously enhanced. The annual output value has reached 1 billion yuan, the total assets are nearly1billion yuan, and nearly 200 national patents have been obtained.