+ Air-conditioning and refrigeration equipment
+ Air-conditioning and refrigeration compressor
+ Heat Exchanger
+ Automatic control
          - automatic switch
          - sensor
          - thermostat
          - DDC
          - valve and actuator
          - AHU/FCU valve & actuator
          - temperature and pressure control
+ Flow control
+ Air moving equipment and component
+ Electrical component
+ Chemical
+ Tools
+ Accessory

DDC

Johnson Controls
Air-con / refrigeration use