After the fruit and vegetable were picked, they also bring the field heat, taking advantage of vacuum pre-cooling about 20-30mins, can fast decrease the temperature to 1-3℃ for the inner and outer of vegetable, prolong the time of keeping fresh, increase the quality of keeping fresh. Our company studying concerning data from Germany, Holland, USA, Japan, France etc. of founditon, link the feature of our country, developped and produced a series vacuum pre-cooling keeping fresh equipment use for vegetables, fruits, flowers, food and so on, acquiring the Shanghai City Class Certificate of New Product and National Class Certificate抯. Main Feature: 1. Cooling time is short, it is only 20-30mins, can fast decrease the temperature to 1-3℃ for the inner and outer of vegetable. 2. We can operation at the field and garden, thus can eliment the field heat of fram and sideline products pick at the first time. 3. Vacuum pre-cooling is clean and healthy, can restrain or kill the germ, insert and bad bacteria, will increase rate of rotten. 4. Although pick the fruits and vegetables in the rainy day or washed, the surface water can be elimented under vacuum condition.. 5. This series has single groove or double grooves, single door or two side has door, firm or movable, connect outside cooling source and many kinds form. 6. Installing the famous brand machine, an automatic control, fruit and vegetable defends the cold harming device, electric open the vacuum groove door and electric input and output material. Usage: To big leaf抯 vegetables, flowers, fruits and vegetables that cells organizes cooling result is better.