The cold storage equipment adopts high-efficiency refrigeration technology and environmentally friendly compressors to provide energy-saving and stable temperature control solutions. The core system includes a chiller, a cold storage unit, an electronic expansion valve (EEV) and an electronic control box, which quickly cools down and maintains a low temperature environment, and is suitable for refrigeration, refrigeration and quick freezing. The equipment is equipped with an efficient heat exchange system to reduce energy consumption; the precision expansion valve accurately regulates the refrigerant flow rate to ensure stable operation; low-temperature and corrosion-resistant materials improve equipment reliability. The overall design focuses on energy saving, low noise and durability. The PLC control system ensures precise temperature control and ensures product quality.