... quarter, textile, food, medicine, metallurgy etc.STRUCTUREPanels and frame are made from galvanized steel protected with polyester powder ... with low energy consumption, stable operation, and little vibration and low noise.EVAPORATOR&CONDENSERHigh efficiency tube in ... valves, filter, thermostatic expansion valve, gas-liquid separator, high pressure switch and low pressure switch.The heat pump units ...