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Dunao(Guangzhou) electronics Co., LTD founded in 2005, the registered capital 5 million yuan. We are a professional manufacturer of PC power supply and accessories with independent research, production and sales system. The philosophy of our company “Concern the benefit of customer, create more profit for customer”. We have been concentrating on providing our domestic and oversea clients more efficient and qualified products and service . The square of our factory is more than 30000 sq.meters, where equipped 6 high-tech power supply production lines and 10 more professional testing equipment. We have our own R&D department, all our products have passed UL.CE.CB.CCC.FCC certificate. Since the foundation, our company is developing very fast, now it has become the largest computer power producer in China, the business has been spread to more than 80 countries from North America, Asia, Europe, Australia and etc.