Crafted with precision, our liquid nitrogen tank is made of high-strength aviation-grade aluminum material, combined with advanced vacuum insulation technology, ensuring a long-lasting ultra-low temperature environment inside. Widely used for storing semen, embryos, cells, dry ice, etc. Featuring advanced vacuum insulation technology and leak-proof insulation design, our liquid nitrogen dewar ensures a static preservation time of 224 to 246 days, providing an efficient, safe, and cost-effective low-temperature storage solution.