*Patent registration of high-pressure refrigerant system with an inclined helical coil type heat exchanger
*Patent registration of high pressure refrigerant system device intercooler is formed integrally with the gas cooler
*Patent registration of high-pressure refrigerant system with a multi-functional heat exchanger shaping hot water heat exchanger
*The user interface provides a system and method patents registered in the information processing terminal using the resources of the information processing terminal and the host
*Communication method patent registration with the external device of the mobile terminal and mobile terminal
*Patent registration of the internal heat exchanger for heat pump system
*It is possible to circulate, heat pump system patented with a heat exchanger for temperature rise
*Water heat pump system - patent registration of refrigerant heat exchanger
*Patent registration of high-pressure oil separator comprising a resilient member
*Patent registration of the heat pump system with always counter-flow heat exchanger
*Automated system for transporting parts for vehicle loading

  
*Certification of ISO / 9001 quality management system
(Production and additional service of air conditioners and automotive aluminum MC-tube)
*Certification of ISO / TS16949 quality management system
(Production and additional service of air conditioners and automotive aluminum MC-tube)
*K mark certification (geothermal heat pump unit)
*Slim USB devices
*USB devices
*Data processing of audio data processing terminal and the terminal with a storage means
*The data processing device
*DH-80GW
Renewable Energy Equipment Certification
*DH-50GW
Renewable Energy Equipment Certification
*DH-40GW
Renewable Energy Equipment Certification
*DH-30GW
Renewable Energy Equipment Certification
*DH-20GW
Renewable Energy Equipment Certification
*DH-10GW
Renewable Energy Equipment Certification
*DH-50GWX
Renewable Energy Equipment Certification
*DH-50GWR
Renewable Energy Equipment Certification