1．SJ CRYO is the only company who can provide complete whole system of liquid nitrogen storing biological samples in China. We have patents for all the whole system; we develop and produce all by ourselves.

2．The whole system includes liquid nitrogen filling system (big liquid nitrogen tank, cryogenic pipe and cryogenic liquid transfer system), specimen storing system (stainless steel biological liquid nitrogen container, liquid nitrogen filling container and accessories), and monitoring managing system (monitoring software, managing software and bank safety managing system ).

3．Our product and system are beyond foreign products on core technology, cost-effectiveness and after-sale service.