Refrigeration cycle heating machine is the laboratory equipment with heating and refrigeration functions, this instrument uses a number of proprietary technology, high precision of temperature control, mainly used for biological, chemical and other fields (such as rotary evaporator, reactor, fermentation tank, calorimeter and other equipment); this instrument is highly automated and can be set according to the demand automatic heating or cooling apparatus; the accurate temperature control, heating and refrigeration functions in general, can meet the various needs of biochemical experiment;