1.High temp.preservation storage: temperature range +5~-5 ℃ .
Is applied to preservation of fruit & vegetable,eggs,medicinal materials,wood preservation,drying etc.To make the food at a lower temperature,usually keep inside room around 0℃.So that it can keep the food fresh as long as possible.
2. Medium temp. Refrigerated warehouse: temperature range -10~-18℃.
Mainly used to storage meat,seafoods etc.
3. Low temp.Cold-chamber : temperature range -23~-28℃.
Also been called frozen room,frozen cold storage. Usually Keep temperature inside room around -20~-25°C.
4. Ultra low temp.quick-frozen storage: temperature below -30℃.
Mainly applied to rapidly frozen food and Medical treatment etc. special applications.