Introducing our cutting-edge product, the {collapsible VPU cooler box for medicine vaccine blood last kilometer cold packaging}. As a leading factory in the industry, we are dedicated to delivering exceptional solutions for transportation of temperature-sensitive medical supplies. Designed with meticulous care, this cooler box offers unparalleled protection, ensuring vaccines, medicines, and blood remain at optimal temperature levels during the crucial last kilometer. Its collapsible design allows for easy storage and efficient space utilization. Trust us to provide the highest quality cold packaging solutions that prioritizes the integrity and potency of your precious medical supplies.