The processing capacity of 4 tons of double tank, 8 plate fruit and vegetable vacuum precooler is sent to Yunnan vegetable base, Yunnan is the earliest use of vacuum precooler area, but also the price is relatively low market, due to the early vacuum precooler low technical content, low-end configuration, poor effect, low efficiency, high cost, more and more customers began to choose our high-end vacuum precooler.