NJBF series air-cooled condensing units is the introduction of technical development and production of Japanese DAIKIN refrigeration unit for providing refrigeration system, air conditioning systems and equipment required for special equipment cold source. The entire unit, including semi-hermetic reciprocating compressor, finned air condenser, liquid receiver, filter, instrument panel, start boxes and other components, assembled into one. Compact structure, stable performance, low noise, users can connect terminal equipment, electronic control equipment and power can be put into use.