This is the Power Pack for the independent Bus A/C, which is widely used on front engine bus and in hilly region.Our bus a/c power pack has the following adavantages: 1. mature technology; 2. stable performance; 3. low power consumption; 4. low maintenance cost; 5.world brand engine, compressor, alternator with perfect electric control system dirve the bus air conditioner in different environment. 6. running a lot in China and abroad, this power pack is highly recognized widely. Bus A/C power source------JINGYI supply!