There are two kinds of refrigerating vehicles: single temperature refrigerating vehicle and double temperature refrigerating vehicle.
Single temperature refrigerating vehicle refers to the one that has the function of cooling and refrigeration, which can only ensure the temperature inside the box to reach the lowest temperature required by customers.
Henan Zest Machinery Co.,Ltd
Add: Building 32, Tiexi Street, Weibin District,
Xinxiang City, Henan Province, China. https://www.hnzest.com/refrigerated-truck/double-temperature-refrigeration-units.html