摘要
The projects of China initiative Accelerator Driven System(CiADS)and the High Intensity Heavy-ion Accel-erator Facility(HIAF)are under construction in Huizhou City.All of the cryomodules are based on a modular bottom-supported design which is optimized for mass-production and efficient precision-assembly,which are de-signed and constructed by the cryogenic department at IMP.