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Hongfa is one of the leading relay manufacturers in China and one of the leading relay suppliers and manufacturers in the world. Hongfa ranks No.1 in relay industry in China in terms of overall economic efficiency.Founded in 1984, Hongfa has become a top-notch relay R&D and production center all over the world under the guidance of ”Never rest on our laurels; Make more progress”. Our products include relays, HV/LV devices, precision parts, automatic production, etc. Among them, relay is the main business with 160 plus series, 40,000 plus regular specifications and annual production capacity of 1.5 billion pieces.