航天机电：公司目前主要经营汽车热系统产业和光伏产业两大产业

Core Viewpoint - The company, Aerospace Electromechanical (600151.SH), is primarily engaged in two main industries: automotive thermal systems and photovoltaic industry [1] Group 1: Automotive Thermal Systems - The automotive thermal systems industry focuses on the development and production of heat exchangers, engine cooling modules, air conditioning boxes, controllers, and compressors [1] Group 2: Photovoltaic Industry - The photovoltaic industry is involved in the research and development, manufacturing, and sales of polycrystalline ingots, monocrystalline purification ingots, and components [1] - The company operates approximately 350 MW of domestic photovoltaic power stations and 4.8 MW of overseas photovoltaic power stations [1]