... ,reasonable structure 2,steady performance 3,Bitzer compressor 4,R717/R22/R404A ApplicationVacuum freeze drying machine is suitable for fruit, vegetable, aquatic ... /hVacuum pump: BORA, From Germany, PC display, PLC Control system.Compressor: BITZA, From GermanyFDG series vacuum freeze dryer ModelDrying area(m ... drying equipmentDrying potControl panelFD cabbageFD apple fruit vacuum freeze drying machine