Keep Food Cold Ice Pack Reusable Cooler Brick

Ever wondered how reusable cooler bricks can maintain precise temperatures for extended periods? In this video, we explore Changzhou Jisi Cold Chain Technology's advanced PCM ice packs, showcasing how they keep food, ice cream, and medical supplies cold for up to 120 hours. Watch to see real-world applications and learn about temperature ranges from -30°C to 23°C, ideal for reliable refrigerated transport.