DKKFR90II(cold and warm type)

DKKFRl 24-B cooling and warming type Dual effect energy-saving central A/C

DKKF98-WO (outdoor unit) Double-effect energy-saving cold and hot water units for central air conditioning systems

DKKFl 3-WI (indoor unit) *2 units Double-effect energy-saving cold and hot water units for central air conditioning systems