The K Series cryogenic system (10K Model) is a reliable liquid nitrogen storage system with controllable temperature range from 100C to -196C. The system offer functions including, automatic filling, alarm, easy access to stored product and the unique temperature gradient suppression system to improve vapor phase storage temperature and recovery. Liquid Nitrogen Cryostorage System can store greater than ten thousand 2-ml plastic vials or 235 bags of blood. GRC will use the cryogenic system for primate embryonic stem cells, adult stem cells, tumor stem cells and cord blood long-term storage.