Quality, responsibility and innovation, have always been what Dezhou Defu Envirionment Technology Co., LTD with standard workshops over 35,000 square meters, our factory covers an area of 80 acres. Concentrating on automotive air treatment, we manufacture air conditioners, heaters, filters, generators and so on, more than 50 types.Treat quality like treating our own life. To ensure quality, we are equipped with a complete set of advanced equipments, including Swiss CNC machining equipment, Japanese turning-milling composite processing equipment, German CNC grinder, Japanese three-coordinate measuring machine, ect. Meanwhile advanced automotive electric air conditioning system environment simulation laboratories have been established. All products will go through 100% test according to ISO9001 and CE standard before going to market.Being responsible is a basic requirement for every member in Defu. We are dedicated to customers' satisfaction and our business. From first time consulting, placing order, production management, shipment to after sale service, all details will be seriously taken by our team members. Innovation witnesses our unceasing efforts. Our research and development team have been and will keep seeking to improving our products and designing new ones. New products will be launched every couple of months, showing the best appearance and most reliable function, leading the trend of the industry.