Is Hefei Sunshine Power Supply State-owned?

No, Hefei Sunshine Power refers to Hefei Sunshine Power Co., Ltd. According to official website, Hefei Sunshine Power Co., Ltd. is a private enterprise, not a state-owned enterprise. Hefei Sunshine Power Supply Co., Ltd. is a national key high-tech enterprise focusing on research and development, production, sales and service of new energy power supply equipment such as solar energy, wind energy, energy storage and electric vehicles.