Specialized in vehicle air solutions, Defu group provides you heating, cooling, filtering for your vehicles, bringing you a cozy environment. For air conditioning system, we provide electric air conditioners, diesel/electric/gasoline heaters, cabin air filters, and original AC parts for replacement, including compressors, condensers, evaporators, fans, filters and so on; for engine system, we provide air filters, oil filters and engine preheaters; for motorhome daily life, we provide water and air heater combi, portable cooker, water heater, air heater and cooktop combi etc. We launch new types every year to meet new market demand and support customization. Technical support and after sale service are provided twenty four seven.