Cryogenic(Beijing) Science & Technology Co., Ltd. is a collection development, production and sales of high-tech enterprises. mainly engaged in frozen equipment research, development, manufacturing and sales. This series of products using the latest liquid nitrogen dispersion technology, heating thaw technology, control techniques, the use of program-controlled cooling, heating, temperature uniformity and stability of the prosess. To -196C liquid nitrogen as the refrigerant, cooling and meet environment requirements.