Henan Tianzhidao Biological Technology Co.,Ltd.owned container of liquid nitrogen container production of the latest technical equipment and testing means of modern enterprise.The production of liquid nitrogen containers are widely used in livestock breeding livestock semen frozen storage;medical and health industry in human organs,skin,blood,cells cryopreserved; bio-engineering, industrial cooling assembly, cold treatment of metallic materials,low temperature,such as crushing and the majority of the field of superconductivity.