Vacuum freeze-drying technology is applied to process food material to make freeze dried food. The freeze dryer is used in all conceivable kinds of agricultural products with top drying quality. Fruits: durian, strawberry, mango, apricot, kiwifruit, pineapple, lemon, raspberry, avocado, banana etc. Vegetables: broccoli, parsley, mushroom, bean, scallion, asparagus, onion, celery, carrot, tomato, pepper etc. Other food: beef, coffee, colostrums, herbal, flower, tea, honey, sea food and all kinds of pets food.