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1.For 85% - 95% RH storage humidity., 2.R22, R404A and ammonia refrigerants., 3.Easy to use and maintenance., 4.Energy saving. - details see: https://www.machineto.com/fruits-and-vegetable-cold-storage-10240172

Tips:

Temperature

There are basically three groups of fruit and vegetables: those stored at 0 - 4°C; those stored at 4 - 8°C; and those that require a storage temperature above 8°C. It is often more convenient to concentrate on one of these groups.

Relative humidity
For most produce, a high but not saturated, relative humidity is required, eg 85 - 95%. Table 1 shows specific relative humidities for fruits and vegetables. There is always some moisture loss during cold storage but excessive moisture loss is a problem. It is essential that the relative humidity is kept above 85%. This can be done by:
1.allowing the produce to reach storage temperature and then covering in plastic
2.sprinkling the produce with water, this should be done before storage since if the vegetables are sprinkled during storage condensation occurs at the refrigeration unit.

Operation of the cold store
The cold store should be kept very clean and the doors opened as little as possible.
Transport
Care needs to be taken during the unloading of the cold store and during transport. If the produce can be transported in the same crates they were stored in, handling and concomitant damage will be reduced.

Vegetables Type

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