When it comes to manufacturing bus air conditioners, we don't leave things to chance. We source our components and compressors from trusted names in the industry---Huashengqiang (HSQ). We test our products at our advanced testing and inspection laboratory to ensure they meet your quality standards. And we have passed "ISO/TS 16949: 2002". Choose from the more than 60 models for construction machinery, trucks and 6~12m buses in our catalog. Our skilled engineers are on hand for your OEM/ODM modifications. New product development lead-time is 45 days. Manufacturing since 2001, the annual output is 45,000 units and maximum capacity is 100,000 units. Let's talk about your air conditioning needs. Contact us today.