CryoMatrix Series Biobank tanks provide users with a fully automatic, safe and reliable cryogenic liquid nitrogen storage system. The sample can be stored either in liquid phase or vapor phase. Microcomputer touch control system CryMonitor 3000 provides convenience and security. Cryomatrix series introduced advanced technology and perfect vacuum thermal insulation technology to assure thesafety of the barrier-free sample storage and good properties uniform temperature and characteristics of the minimum consumption of liquid nitrogen. Even if it is vapor phase, the inside tank top can be below -180℃.