... design and supply Roof mounted bus air conditioner up to your requirement with our own R&D team. ... fan11m19TSZJD35300006474660*1830*200Rear engine,single system,with Bitzer compressor (4NFCY) ,fresh air new concept A/C11m -12m20TSZJD35H300006474660* ... air, CAN control:12m -13m23TSZQD40340008365600*1830*200Rear engine,single system,with Bitzer compressor(6PFCY)12m -14m Roof mounted bus air conditioner ...