In sustainable transportation systems, electric vehicles play a crucial role in reducing fuel consumption and pollutant emissions. Since 1994, Kaori brazed plate heat exchangers (BPHE), as a leading manufacturer, have been committed to developing green and energy-efficient products, providing professional energy-saving solutions to industries in more than 70 countries. Kaori’s ultra-high-pressure C Series and high heat transfer performance R Series plate heat exchangers are optimized for natural refrigerant CO₂ (R744), serving as gas coolers, condensers, evaporators, and economizers in heat pump and refrigeration systems, significantly enhancing system reliability, availability, and efficiency.