Bio-tank products are jointly supplied by the company and American Gaozhi Invention Company and Aucma to supply the Gates Foundation with a color for storing cryogenic liquids or solids. In the biomedical field, it is used to preserve strains, vaccines, blood bags, semen, germs and other aluminum. Biological liquid nitrogen container. It is lightweight, robust and reliable for a variety of transportation methods. It is suitable for high temperature and power shortage areas. It also has an intelligent temperature detection system that can monitor the internal temperature in real time to ensure the temperature requirements of the memory. The product is currently widely used in Africa. This product is known as the "barrel of life" by the image of Bill Gates.