Low-temperature maintenance Delivers reliable temperature control at low temperatures through a dual cooling system, enabling stable cooling performance to protect perishable goods during transport. Long-lasting cold retention High-efficiency gel packs combined with energy-retention technology provide extended cooling. Uses phase-change methods and slow-release capabilities to maintain a consistently cold environment effectively. Efficient thermal barrier system Vacuum-insulated construction delivers complete cooling through its thermal barrier system, ensuring food-grade cooling and precise temperature control over extended periods. Rapid freezing capability Ice blocks designed for time-critical logistics offer immediate cooling solutions with rapid-freezing capability, ensuring cold-chain compatibility and reliable performance during transport. Use scenarios Perishable food logistics Ideal for transporting meat, dairy, seafood, and other temperature-sensitive foods where stable cold-chain conditions are essential. Pharmaceutical and medical shipments Suited for vaccines, biologics, and other temperature-sensitive medical supplies that require reliable low-temperature protection. Time-critical and remote-location deliveries Supports urgent deliveries and field operations where quick cooling and sustained cold retention are needed to maintain product integrity.