具有高真空夹层、超级绝热、用于盛装液氮的低温容器。用于动物冷冻精液配种、胚胎长期低温保存，血样、细胞、病毒等生物样本的低温保存、低温治疗，以及人工受精和各种细胞组织的存储等。

A low-temperature container with a high vacuum interlayer, super insulation, used to hold liquid nitrogen. Used for animal frozen semen breeding, long-term low-temperature preservation of embryos, low-temperature preservation and treatment of biological samples such as blood samples, cells, viruses, as well as artificial fertilization and storage of various cell tissues.