Refrigeration equipment is a system or device that uses thermodynamic principles to remove heat, lowering and maintaining the temperature of a specific space. Its advantages include: precise and stable temperature control, ensuring the accuracy required for food safety and industrial processes; high efficiency and reliability designed to withstand the demands of continuous operation in commercial and industrial environments; and modern equipment often employs environmentally friendly refrigerants and energy-saving technologies to reduce operating costs and environmental impact. Refrigeration equipment is widely used in the national economy, primarily covering two main application scenarios. In the commercial sector, it is used in refrigerated/frozen display cases in supermarkets and convenience stores; walk-in cold rooms, upright refrigerators, and refrigerated workbenches in restaurants and hotels; and pharmaceutical refrigeration in pharmacies. In the industrial sector, it is used for bulk freezing and quick freezing in food processing plants; low-temperature process cooling in the chemical, petrochemical, and pharmaceutical industries; and area cooling in data centers, as well as cryogenic storage and liquefaction of liquids and gases.