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Established in 2003 by two Masters majored in Electronics in China, Addisen Technology Zhongshan Co., Ltd is a national high-tech enterprise. It has a strong R&D team comprised of doctors and Professor worldwide in fields of electronics, electronic control, refrigeration, as well as various engineers specialized in frontal analysis, hardware, software design, testing and technical support. We own proprietary intellectual property rights for all products of our company. In addition, we also have a good number of patents on invention and software copyrights. ? ? ? Addisen specializes in the research, development and manufacturing of intelligent controllers, including inverter air-conditioner, constant frequency air-conditioner, heat pump tumble dryer, industrial and commercial dehumidifier, air purifier, kitchen... ? ? ? ?