10. Cascade refrigeration is optional , applied for -80℃ machine.
TOPTION is professional lab solution provider,and all devoted to provide the best solutions & products for global customers,who are work in biology, chemistry, pharmaceutical, environment analysis, food, academic research, etc.
Main products contains chemical synthesis reactor, rotary evaporator, thin-film evaporator, photochemical reactor, high pressure reactor, freeze dryer, spray dryer, etc.
TOPTION brand instrument has own high reputation in more than 70 countries and regions, provide technical support for tens of thousands organizations to solve problems within their research, special foruniversity, research institutes, industries, inspection agencies, etc.
TOPTIONhas passed the “ISO9001:2008 Quality Management
System”certification and most of products have passed CE certification,the quality can be assured.