良信股份：主营中低压电器及智能配电，高压直流接触器针对新能源汽车等场景开发产品

Group 1 - The company, Liangxin Co., focuses on medium and low voltage electrical equipment and smart distribution solutions, with applications in power grids, renewable energy, wind power, photovoltaics, energy storage, and intelligent computing centers [1] - In the area of high voltage direct current (HVDC) contactors, the company emphasizes a "technology-driven + scenario empowerment" approach, leveraging years of technical accumulation to develop products tailored for applications such as electric vehicle onboard systems, DC charging piles, and solar storage [1]