Hongfa is the leading relay manufacturer 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”. Hongfa owns more than 20 subsidiaries and affiliates wholly or partially. Our products include relays, HV/LV devices, precision parts, automatic production, etc.