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Changhong Electronics Co., Ltd. was founded in 1984, and Shanghai Jianghong Electronics Co., Ltd. was invested and established in Shanghai, specializing in the production of Schottky diode, switching diode, zener diode, transient voltage suppression diode, standard / fast / ultra fast / ultra fast recovery diode, bridge rectifier and other power semiconductor components. Sep is the company's own brand. Provide customers with all-round services, use the most competitive price and advanced technical support, provide high-quality products, help customers effectively save costs and improve efficiency.