Biochenistry storage equipment is a vital equipment of life science area.Series of single compactor yltra low temperature fridges were successfully prompted by the Science Technology the international advanced technology of single compactor mixing technology,and also have self-determination paten,which have been developing ten series of products:4??2-10??0-8??-25??-40??-60??-86??-105??-135??-152?,including the former products of Meiling fridges,Chia-tech Meiling has becoming one of the freezer companies which owns the bioactivity substances,which broke the record of depending imported scientific research-medical storage fridges.