Shengjie Cryogenic Equipment PLC. is a state-level hi-tech enterprise with two certifications, which is specialized in R&D, manufacturing and selling of biological liquid nitrogen container series (stem cell bank use series and aluminum alloy series ), cryogenic liquid storage & transportation container, various non-standard cryogenic container, cryogenic pipeline, level and temperature monitor, intelligentized plug, monitoring and managing system of liquid nitrogen container, managing system of stem cell bank and other serial products.