As the most famous bus air conditioner designer, manufacturer and exporter in China, Guchen Industry is dedicated to supplying the best custom a/c solutions in bus climate control. We can provide rooftop bus HVAC (BD, SD, PD), coach air conditioner (LFD series), sub-engine city bus a/c system (DD series), and premium quality school bus air conditioner (PFD-IB Model) for our kids, and double-decker GD series air conditioning systems for diesel bus applications.