Deep ploughing in the two fields of biological research and fresh keeping of foods, our major products include low temperature and ultra low temperature freezers series with temperature ranges of -45°C, -65°C, -86°C, -105°C, -135°C and -150°C, having wide applications in the following industries: biology and pharmacy, universities and institutes, health and epidemic prevention, agriculture, forestry, fishery and animal husbandry, aerospace, military science, mechanical, electronic and chemical industries and distant fishery, catering & hotel industries, foods and cold chain.Deep ploughing in the two fields of biological research and fresh keeping of foods, our major products include low temperature and ultra low temperature freezers series with temperature ranges of -45°C, -65°C, -86°C, -105°C, -135°C and -150°C, having wide applications in the following industries: biology and pharmacy, universities and institutes, health and epidemic prevention, agriculture, forestry, fishery and animal husbandry, aerospace, military science, mechanical, electronic and chemical industries and distant fishery, catering & hotel industries, foods and cold chain.