Hongfa
Hongfa is the first and most significant maker of relays, optocouplers, and other electrical goods and has been doing so for over 30 years. They have approximately 30 companies globally, and its products and services span a wide range of industries, including communication devices, household appliances, autos, and industries. Its product line includes electric relays, switch/socket goods, intelligent control, automation devices, and electrical equipment for household appliances, power plants, and information sectors.
