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Guangdong Nedfon Air System Co., LTD. was established in 1992, specializing in the R&D, manufacturing and selling of different ventilation products.With over 30 years' experience and development in the ventilation industry, we are at the cutting edge of the following ventilation products: air curtain, household exhaust fan, industrial ventilating fan, duct fans for different type of tube, bathroom master, belt-driven cooling fan, energy recovery ventilators, ventilators for air conditioning system and ventilators for fire-fighting application and other special applications.Nedfon is an ISO9001 certified company and strictly implement the standard of ISO9001:2008 in every procedure of product manufacturing and quality testing, that’s the reason why our products enjoy good reputation in the markets for years.