... ,double system(WX22*2),domestic compressor,8m - 9m(for low temperature region)6TSZQD22B3180004403500*1830* ... 200Rear engine,single system,with Bitzer compressor (4NFCY) ,fresh air new concept A/C11m -12m20TSZJD35H300006474660 ... compressor(4NFCY) ,imported fan, fresh air, CAN control:12m -13m23TSZQD40340008365600*1830*200Rear engine,single system,with Bitzer compressor(6PFCY)12m -14m Roof mounted bus air ...