Group 1 - The company Huamin Co., Ltd. (300345.SZ) is focusing on energy efficiency and optimization through technologies such as microgrids, smart energy, and virtual power plants [1] - The company's wholly-owned subsidiary, Hunan Hongyu, aims to provide integrated solutions for energy supply and demand balance in urban communities and industrial parks [1] - The first pilot project, a distributed photovoltaic power station with a capacity of 5.15MW, has been put into operation and is currently used for self-consumption [1] Group 2 - The company is actively applying for national and provincial pilot projects related to source-network-load-storage integration [1] - There was an inquiry from investors regarding the company's involvement in energy storage [2]