CO2 transcritical dual-engine two-stage unit is a green unit launched by our company in response to the national “dual-carbon policy”, with no Freon in the system, featuring high comprehensive energy efficiency, non-destruction of the ozone layer, and low global warming index, etc. The CO2 transcritical unit is a product developed by our company after years of research and development, and the compressor used in the system is also independently developed by our company. The compressor used in the system is also independently developed by our company. The evaporating temperature of the unit can reach -28~-50℃, which is suitable for cold storage and refrigerant-carrying system, and can meet the requirements of food, medicine, chemical industry, metallurgy and other industries.