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    Chun Yuan Electronics Technology Co., Ltd. was established in June 2013 . Focused on the development and production of low-frequency transformer waterproof , waterproof switching power supply , low-frequency transformers, switching power supply, LED power supply and a variety of power adapters. Our products are widely used in LED lighting, household appliances , IT products , advertising light boxes , aquarium products , landscape and fountain products, and information technol......