GOLD SIM International Group is a multinational, professional cell technology and cryogenic technology corporation. We have formed a comprehensive product range: vapor phase LN2 freezer, freeze dryer, bioreactor, controlled rate freezer, auto cell culture system, auto cell separation system, auto cell expansion system, etc. Our service scope has been expanded to hospital biobank, cord blood bank, stem cell bank, cellular therapy company, cell factory, university, pharmaceutical company, etc.