... over 20 centigrade per minute lowest temperature inside -196 centigrade Ultracold equipmentMaterial: AISI 304 stainless steelsize and demension: 900*700*700 ... (Beijing) Science & Technology Co.,Ltd is a leading manufacture of ultracold system and equipment in China. Using liquid nitrogen (-196°C ... nitrogen is quite low.kindly contact me for more details ultracold equipment
