1. Sales of our company: The sales quantity of roof mounted bus air conditioners reached 21,500 sets in 2007 and has kept the lead position for 6 years in China and 5 years in the world. We hold above 35% market share in China. We supply air conditioners for more than 60 bus manufacturers in China. Our products have been exported to South Asia and Southeast Asia, Africa, Middle East, Europe, America and so on. 2. The adventage of theSZC series: (a) The roof-mounted unit owns a streamline outline, taking on a nicer and more handsome apperance. (b)The heat-exchanger adopts tube-fin type heat exchanger of 7mm insind screw thread copper tube, therefore making high energy efficiency ratio and low oil comsumption. (c) Dighital-displayed automatic temperature control. (d) Good servicing inerchangeablity and accessibility. 3. The typeSZC-II-D is for the city buses which the length is between 8.0 8.4 meters. 4. The detail attribute of the SZC-II-D air conditioner. NoDescriptionBrandFeature1compressorBITZERFamous brand, Beijing Bitzer, high reliability2Evaporator blowerSONGZImported axletree,high efficiency,long life time with 6000 hours3Condenser fanSONGZImported axletree,high efficiency,low noise,long life time with 6000 hours4Expansion valveDANFOSSFirst-class brand, high reliability5DryerSONGZCompletely radial sealing,complete radial direction seal6Pressure security deviceSONGZProtecting the elements and components from being damaged by abnormal pressure,high precision7Plug-in connectorAMPWholly silver coated, corrosion-resistant to acid, alkali and salt, water and dust proof.8Heat exchangerSONGZφ7 inside screw-thread copper tube9ManipulatorSONGZDigital-displayed temperature type, trouble direction10PipelineSONGZCopper and complete stainless steel bellows11ShellSONGZHigh-strength stainless aluminum LF21 bottom and high strength fiber glass cover.12Belt(optional)GATES/DONGILThe aluminum alloy botton shell raises the intensity glass fiberreionforced plastic lid.13Compressor bracket(optional)SONGZLimiting 5 degree of freedom with vibration absorbing design to reduce the vibration of generator and dramatically lengthen the life.14Air-returning grill(optional e)SONGZLarge air-returning area design structure, press forming by mold, attractive and handsome appearance, with high efficiency filter net15Fresh air system(optional)SONGZDriven by the y imported motor16GeneratorPRESTOLITEManufactured by Sino-America joint venture PRESTOLITE Co. ,stable and reliable performance17Refrigerant(optional)R134aGreen environment-friendly refrigerant