Ruidong group is located in the beautiful solar city Dezhou which is situated in the northwest of Shandong province. The Beijing-Shanghai high-speed railway and Beijing-Shanghai expressway which spread acroos the city make the city a main coordinate of national economic main artery.The registered capital of group company is RMB100 million, covering an area of 300,000m2 with modern workshops and office buildings of more than 180,000m2. Ruidong Group consists of the following companies:German Aero Phoenix commercial trading company; Shandong Ruidong Air conditioning Co.,Ltd; Beijing Ainuofeili Trading Co.,Ltd; Shandong Ruidong New Energy Technology Co.,Ltd; Shandong Ruidong Mechanical and Electrical Equipment installation Co.,Ltd.; Dezhou Ruidong Purfying Air Conditioning Co.,Ltd.A.Main Business scope1.Chiller and heat pump series:* Water-cooled series: Centrifugal cold(hot )water units,Screw Ground(water)source heat(cold)units, Scroll Ground(water)source heat(cold)units,Water loopunits.* Air-cooled series: Screw cold(hot) water units,Module cold(hot ) water units,Villa-use cold(hot) water unit,VRV series units, Rooftop packaged unit, Rooftop split unit.* Unit style series: Constant temperature humidity units,Air(water) cooling unitary air conditioning units, Dehumidification units.2.Terminal series: Purfy Air Conditioning,Combined air handling unit,Fresh air handing units, Fan Coil Series.3.Ventilation series: Fire fighting exhaust fan, Roof ventilator Axial flow fan,Diagonal fan,centrifugal fan and so on.4.Cooling tower series:All kinds of FRP draft cooling tower,Stainless steel cooling tower.5.Air-conditioning auxiliary:Cyclone desander,Water knockout drum(collector),Dirt separator,Water Softener Plant,Plate heat exchanger units, Constant pressure equipment.6.Air Conditioning Parts:All kinds of fire dampers,Regulating valves,Tuyere series.7.Other products:Low temperature industrial water chiller units, Freezing and refrigerating equipment ,Planting and breeding air-conditioning equipment.B. Engineering construction:Mechanical and electrical equipment installation,Fire engineering,Decoration and cecorating,EquipmentMaintenance and Repair, and all kinds of qualifications related to those above mentioned.